Math (-12x^3-8x^2-7) + (6x^3+ 9x^2- x) Asked by AnneS2 on 26 Jun 04:33 Last updated by anonymous on 28 Jun 10:31
(-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+ x^2- x-7
