Answer:
I think Cymath may help
Step-by-step explanation:
4x^3-x^2+7x+15
2x^2+3x+1 plus 6x^3-3x+5 = 6x^3+2x^2+6
6x^3+2x^2+6 minus 2x^3-3x^2+7x+9= 4x^3-x^2+7x+15
4.5m questions
5.8m answers