miércoles, 8 de diciembre de 2010

EJERCICIO 22

176. a –b de b –a
B –a
+b –a
+2b -2ª
177. x –y de 2x +3y
2x +3y
-x  +y
+1x +4y
178. -5ª +b de -7ª +5
-7ª +5
+5ª       +b
-2ª +5 +b
179. x2 -5x de –x2 +6
-x2 +6
+x2       +5x
0 +6 +5x
180. x3 –xy2 de x2y +5xy2
X2y +5xy2
       +xy2 –x3
X2y +6xy2 –x3
181. 6ª2b -8ª3 de 7ª2b +5ab2
7ª2b +5ab2
-6ª2b          +8ª3
+1ª2b +5ab2 +8ª3
182. a –b +2c de –a +2b -3c
-a +2b -3c
-a +b -2c
-2ª +3b -5c
183. m –n +p de -3n +4m +5p
-3n +4m +5p
+n –m –p
-2n +3m +4p
184. –x +y -2 de x +3y -62
-62 +3y x
+2 –y +x
-52 +2y +2x
185. 3ª2 +ab -6b2 de -5b2 +8ab +a2
-5b2 +8ab +a2
+6b2 –ab -3ª2
+1b2 +7ab -2ª2
186. m2 –n2 -3mn de -5m2 –n2 +6mn
-5m2 –n2 +6mn
-m2 +n2 +3mn
-6m2 0 +9mn
187. –x3 –x +6 de -8x2 +5x -4
-8x2 +5x -4
         +x   -6 +x3
-8x2 +6x -10 +x3
188. m3 +14m2 +9 de 14m2 -8n +16
14m2 -8n +16
-14m2      -9 –m3
0 -8n +7 –m3
189. ab –bc +6cd de 8ab +5bc +6cd
8ab +5bc +6cd
-ab +bc -6cd
+7ab +6bc o        
190. 25a2b -8ab2 –b3 de a3 -9a2b –b3
A3 -9ª2b –b3
     -25ª2b +b3 +8ab2
A3 -34ª2b 0 +8ab2
191. xy2 -6y3 +4 de 6x3 -8x2y -6xy2
6x3 -8x2y -6xy2
                   -xy2 -4 +6y3
6x3 -8x2y -7xy2 -4 +6y3
192. m2 +7n -8c +d de m2 -9n +11c +14
M2 -9n +11c +14
-m2 -7n +8c       -d
0 -16n +19c +14 –d
193. 7ª3b +5ab2 -8ª2b2 +b4 de 5ª4 +9ª3b -40ab4 +6b4
5ª4 +9ª3b -40ab4 +6b4
      -7ª3b                -b4 -5ab3+8ª2b2
5ª4 +2ª3b -40ab4 +5b4 -5ab3 +8ª2b2
194. 6x3 -9x +6x2 -7 de x5 -8x4 +25x2 +15
X5 -8x4 +25x2 +15
              -6 x2   +7 +9x -6x3
X5 -8x4 +19x2 +22 +9y -6x3
195. x5 –x2y3 +6xy4 +25y5 de -3xy4 -8x3y2 -19y5 +18
-3xy4 -8x3y2 -19y5 +18
-6xy4       -25y5   -x5 +x2y3
-9xy4 -8x3y2 -44y5 +18 –x5 +x2y3
196. 25x +25x3 -18x2 -11x5 -46 de x3 -6x4 +8x2 -9 +15x
X3 -6x4 8x2 -9 +15x
-25x3     +18x2 +46 -25x +11x5
-24x3 -6x4 +26x2 +37 -10x +11x5
197. 23y3 +8y4 -15y5 -8y -5 de y6 +y3 +y2 +9
Y6 +y3 +y2 +9
    -23y3  +5 -8y4 +15y5 +8y
Y6 -22y3 +y2 +14 -8y4 +15y3 +8y
198. ax+2 -5ax+1 -6ax de ax+3 -8ax+1 -5
Ax+3 -8ax+1 -5
         +5ax+1       -ax+2 +6ax
Ax+3 -3ax+1 -5 –ax+2 -6ax
199. 8an-1 5an-2 +7an +an-3 de -8an +16an-4 +15an-2 +an-3
-8an +16an-4 +15an-2 +an-3
-7an              -5an-2 –an-3 -8an-1
-15an +16an-4 +10an-2 0 -8an-1

EJERCICIO 21

154. A +b restar a –b
A +b
-a +b
0 +2b
155. 2x -3y restar –x +2y
2x -3y
+x -2y
+3x -5y
156. 8ª +b restar -3ª +4
8ª +b
+3ª    +4
11ª +b +4
157. x2 -3x restar -5x +6
X2 -3x
      +5x +6
X2x2_____________________________________
 +2x +6
158. x –y +z restar x –y +z
X –y +z
-x +y –z
0   0    0
159. x +y –z restar –x –y +z
X +y –z
+x +y –z
+2x +2y -2z
160. x2 +y2 -3xy restar –y2 +3x2 -4xy
X2 +y2 -3xy
-3x2 +y2 +4xy
-2x2 +2y2 +1xy
161. x3 –x2 +6 restar 5x2 -4x +6
X3 –x2 +6
     -5x2 +6 -4x
X3 -6x2 +12 -4x
162. y2 +6y3 -8 restar 2y4 -3y2 +6y
Y2 +6y3 -8
+3y2            2y4 +6y
+4y2 +6y3 -8 2y4 +6y
163. a3 -6ab2 +9ª restar 15ª2b -8ª +5
A3 -6ab2 +9ª
               +8ª 15ª2b +5
A3 -6ab2 +17ª 15ª2b +5
164. x4 +9xy3 -11y4 restar -8x3y -6x2y2 +20y4
X4 +9xy3 -11y4
               -20y4 +8x3y -6x2y2
X4 +9xy3 -31y4 +8x3y -6x2y2
165. a +b +c –d restar –a –b +c –d
A +b +c –d
+a +b –c +d
+2ª +2b 0 0
166. ab +2ac -3cd -5de restar -4ac +8ab -5cd +5de
Ab +2ac -3cd -5de
-8ab +4ac +5cd -5de
-7ab +6ac +2cd -10de
167. X3 -9x +6x2 -19 restar -11x2 +21x -43 +6x3
X3 -9x +6x2 -19
-6x3 -21x +11x2 +43
5x3 -30x +17x2 +24
168. y5 -9y3 +6y2 -31 restar -11y4 +31y3 -8y2 -19y
Y5 -9y3 +6y2 -31
     -31y3 +8y2       +11y4 -19y
Y5 -40y3 +14y2 -31 +11y4 -19y
169. 15m3 -9n3 +6m2n -8mn2 restar 14mn2 -21m2n +5m3 -18
15m3 -9n3 +6m2n -8mn2
-5m3        +21m2n -14mn2 -18
+10m3 -9n3 +27m2n -22mn2 -18
170. 4x3y -19xy3 +y4 -6x2y2 restar –x4 -51xy3 +32x2y2 -25x3y
4x3y -19xy3 +y4 -6x2y2
+25x3y +32xy3    -32x2y2 +x4
+29x3y +32xy3 +y4 -38x2y2 +x4
171. m6 +m4n2 -9m2n4 +19 restar -13m3n3 +16mn5 -30m2n4 -61
M6 +m4n2 -9m2n4 +19
                +30m2n4 +61 +13m3n3 -16mn5
M6 +m4n2 +21m2n4 +80 +13m3n3 -16mn5
172. –a5b +6ª3b3 -18ab5 +42 restar -8ª6 +9b6 -11ª4b2 -11ª2b4
-a5b +6ª3b3 -18ab5 +42
                                      +8a6 -9b6 +11a4b2 +11a2b4
-a5b +6a3b3 -18ab5 +42 +8a6 -9b6 +11a4b2 +11a2b4
173. 1 –x2 +x4 –x3 +3x -6x5 restar –x6 +8x4 -30x2 +15x -24
1 –x2 +x4 –x3 +3x -6x5
+24 +30x2 -8x4     -15x       +x6
+25 +29x2 -7x4 –x3 -12x -6x5 +x6
174. ax +ax+1 –ax+2 restar 5ax -6ax+1 –ax+2
Ax +ax+1 –ax+2
-5ax +6ax+1 +ax+2
-4ax +7ax+1 0
175. ma –ma-1 +3ma—2 restar 3ma+1 -4ma +5ma-2 +8ma-3
Ma –ma-1 +3ma-2
+4ma -3ma+1 -2ma-2 -8ma-3
+5ma -4ma+1 -2ma-2 -8ma-3