Question

forma expandida de (2x+5)²?

Answer 1

Vamos lá !!

$(2x + 5) ^{2}$

$= (2x + 5).(2x + 5)$

$= 4 {x}^{2} + 10x + 10x + 25$

$= \red{\boxed{4 {x}^{2} + 20x + 25}}$

Bons estudos .

Answer 2

$(2x+5)^{2}\\(2x+5)^{2} \ . \ (2x+5)^{2}\\4x^{2} +10x+10x+25\\4x^{2} +20x+25$

R=4x²+20x+25