(-12x^3-8x^2- 7) + (6x^3+ 9x^2-x)

Asked by AnneS2 on 15 Apr 02:50

Last updated by anonymous on 17 Apr 01:13

Answered by CherieS on 17 Apr 01:13

=(-12x^3-8x^2- 7) + (6x^3+ 9x^2-x)

=(-12x^3-8x^2- 7) + 6x^3+ 9x^2-x

=-12x^3-8x^2- 7 + 6x^3+ 9x^2-x

=-12x^3+ 6x^3 -8x^2+ 9x^2 -x - 7

=-6x^3 +1x^2 -x -7