Question

Descubra o resultado
b) (2m + 5)² =

Answer 1

b) (2m + 5)²

(2m + 5) × (2m + 5)

2m × 2m + 2m × 5 + 5 × 2m + 5 × 5

4m² + 10m + 10m + 25

4m² + 20m + 25

Answer 2

Oie, Td Bom?!

$= (2m + 5) {}^{2}$

$= (2m) {}^{2} + 2 \: . \: 2m \: . \: 5 + 5 {}^{2}$

$= 4m {}^{2} + 20m + 25$

Att. Makaveli1996