Question

ajudem! !!!!!!!!!!!!!!!!!!!

Answer 1

a) 2x^2-3xy+ x+ 4x^2+4xy -2x

2x^2+ 4x^2=8x

- 3xy+4xy=1xy

x- 2x = -1x

8x+1xy-1x

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b) 4x^2+4xy- 2x (-) +2x^2- 3xy+x

4x^2+ 4xy -2x -2x^2 + 3xy + x

4x^2-2x^2 =12x

4xy+ 3xy =7xy

-2x + x (ou 1x) = -3x

12x+ 7xy -3x

Espero ter ajudado