Question

Qual a resposta dessas contas
A) (y-4)(y+4)


B) (x+3)(x-3)


C) (x-5)(x+5)


D) (a-1)(x+5)


E) (t+6)(t-6)

Answer 1

A)2y-8
B)2x
C)2x-10
D)a.x-4
E)2t