Question

a) (x+3)²=
b) (a+5b)²=
c) (5m+1)²=
d) (x²-6)²=
e) (2x+7)²=

Answer 1

Resposta:

a) (x+3)²= x² + 6x + 9

b) (a+5b)²= a² + 10ab + 25b²

c) (5m+1)²= 25m² + 10m + 1

d) (x²-6)²= (x²)² - 12x² + 36 -------> $x^{4}$ - 12x² + 36

e) (2x+7)²= 4x² + 28x + 49