EXPRESIONES ALGEBRAICAS
a) (5x-{11y+(-9+20x)-1}-y
b) -[6m+8n+5-{m-(n-6m)-11]
c) 15a²-[6av-{8a²+20-2(5ab-31)+a²-ab}]
a) (5x-{11y+(-9+20x)-1}-y
b) -[6m+8n+5-{m-(n-6m)-11]
c) 15a²-[6av-{8a²+20-2(5ab-31)+a²-ab}]
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Respuesta:
a) (5x-{11y+(-9+20x)-1}-y
=(5x−{(20x+11y−9)−1}−y)=
=(5x−{20x+11y−10}−y)=
=((−15x−11y+10)−y)=
=−15x−12y+10
b) -[6m+8n+5-{m-(n-6m)-11]
=−[(6m+8n+5)−{m−(−6m+n)−11])=
=−[(6m+8n+5)−{7m−n−11])=
=m−9n−16
c) 15a²-[6av-{8a²+20-2(5ab-31)+a²-ab}]
=15a^2+7a^2-6av+11ab-82
=22a^2-6av+11ab-82