Question

efetue as operações a seguir e simplifique (1+x).(1-x)-(1+x)2 brainly

Answer 1

Vamos là.

(1 + x)*(1 - x) - (1 + x)²

1 - x² - x² - 2x - 1 = -2x² -2x

Answer 2

(1+x).(1-x)-(x+1)²=

1-x²-(x²+2x+1)=

1-x²-x²-2x-1=-2x²-2x