Question

reduza os termos semelhantes efetuando as operações indicadas

Answer 1

7ax² + a - 3ax³ - 5a +ax³ = -2ax³+7ax²-4a=0

13ab+5a-15ab+7a²-3a+2ab-a²= 6a²+2a=0

x²+3-x+2-x²+1+7x²+2x-2= 7x²+x+4 (Faz baskara aqui, da muito trabalho pra escrever)

x+4-x+2+4x-5-7x-10= -3x=-9 +3x=+9 x=3

2x-y-1+3x-2xy+7y+2-5y+7x+2xy= 12x+y+1

3/5x-7/10y-8/15x -1/20y
9/15x-8/15x=1/15x
-14/20y-1/20y=-15/20y
=1/15x-15/20y