Question

simplifique

(x2 - y)2-(x + y) = (x2 - y) + 2xy – 3y​

Answer 1

Resposta:

(x²-y)²-(x +y)=(x² -y) + 2.x.y -3.y

(x²- y).(x²- y) - (x+ y)=(x²-y) +2.xy-3.y

x^4- 2.x².y +y²-x+y=x²-y+2.xy-3.y

x^4-2.x².y+y²-x+y-x²+y-2.x.y+3.y=

x^4 -2.x².y+y²-x²-x-2.x.y+4.y

Explicação passo-a-passo: