Question

Simplifique as expressões a seguir:
a) (x+6)²-(x-6)²
b) (x +10)² – 2(x+5)²
c) (4x+3)² -(4x+3)
d) 5(x+1)²-(5x + 1)² + (x - 5)²​

Answer 1

Resposta:

a)0

b)-x^2+50

c)16x^2+20x+6

d)-19x^2-10x+29