Question

b)(x3+2x2-x-2)+(x-1)​

Answer 1

Respuesta:

$x^3+2x^2-3$

Explicación paso a paso:

$\left(x^3+2x^2-x-2\right)+\left(x-1\right)\\=x^3+2x^2-x-2+x-1\\=x^3+2x^2-x+x-2-1\\=x^3+2x^2-2-1\\=x^3+2x^2-3$