Question

( X^2 + 2X) . (X + 5) ALGUÉM ME AJUDA ​

Answer 1

Explicação passo-a-passo:

$\sf (x^2+2x)\cdot(x+5)$

$\sf =x^3\underbrace{+2x^2+5x^2}+10x$

$\sf =x^3+7x^2+10x$

Answer 2

Oie, Td Bom?!

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

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

$= x {}^{3} + 5x {}^{2} + 2x {}^{2} + 10x$

$= x {}^{3} + 7x {}^{2} + 10x$

Att. Makaveli1996