Math (-7x^9 +12x^6 -12)-(5x^9 +4x^6 -9) Asked by AnneS2 on 15 Apr 03:02 Last updated by anonymous on 16 Apr 17:06
=(-7x^9 +12x^6 -12)-(5x^9 +4x^6 -9) =(-7x^9 +12x^6 -12)-5x^9 -4x^6 +9 =-7x^9 +12x^6 -12-5x^9 -4x^6 +9 =-7x^9-5x^9 +12x^6-4x^6 -12+9 =-12x^9 +8x^6 -3