Question

Add 3x2-4x+5, 9x - 10+2x2 and 7-5x2

Answer 1

Answer:

5x+2

Step-by-step explanation:

(3x2-4x+5)+(2x2+9x-10)+(-5x2+7)

Combine like-terms

The x-squared gets cancelled out

And you are left with 5x +2

Answer 2

I thinks this is the solution for this question. I tried doing it with explanations for you :) hope it helps