Question

A) X²-(x-y)²=
B)x²-(x+2)²
Por favor me ajudem com tudo bem certinho....
Valendo 10 pontos

Answer 1

A) resposta
( x - ( x - y )) x ( x + ( x - y))
(x- x+ y ) x ( x + x - y)
y x ( 2x - y )

B) resposta
( x- ( x+2 )) x ( x + ( x + 2))
( x - x -2 ) x ( x + x + 2)
-2 ( 2x + 2 )
-4 ( x + 1 )