Simplify: (-7x° +7x°)+(-9x° +9+3x)
![Simplify 7x 7x9x 93x class=](https://us-static.z-dn.net/files/de4/8fcef06ee7d3f469ceb0fe238a359338.png)
Answer:
-2x^3 - 4x^2 + 9
Step-by-step explanation:
You have to solve the equations in the parenthesis first then you just add the 9 to the end because it doesn't correspond with the rest of the variables "x"