Question

A) (m+2n)²=

B)(2x+4y)²=

C)(3a²+7b²)²=

D)(7+b²)²

Answer 1

Resposta:

a) m² + 4mn + 4n

b)4x² + 16xy + 16y²

Explicação passo-a-passo:

a) (m + 2n)²

m² + 2m × 2n +(2n)²

m² + 4mn + 4n²

b) (2x + 4y)²

(2x)² + 2× 2x × 4y (4y)²

4x² + 16xy + 16y²