Question

(5k+7)x²+5(k+2)x+3k+5​

Answer 1

Respuesta:

$=5kx^2+7x^2+5kx+10x+3k+5$

Explicación paso a paso:

$\left(5k+7\right)x^2+5\left(k+2\right)x+3k+5\\\\=x^2\left(5k+7\right)+5x\left(k+2\right)+3k+5\\\\=5kx^2+7x^2+5\left(k+2\right)x+3k+5\\\\=5kx^2+7x^2+5kx+10x+3k+5$

espero que te ayude