Question

How do you combine `(x^3-6x)-(2x^3+9)-(4x^2+x^3)`?

Answer 1

`=color(blue)(-2x^3 - 4x^2 -6x -9`

Explanation:

`x^3−6x−2x^3-9 - 4x^2 -x^3`

combining like terms

#color(blue)((x^3−2x^3-x^3 )) - 4x^2 -6x -9#

`=color(blue)(-2x^3 - 4x^2 -6x -9`