Question

From the sum of 5x2 + x + 2 and -2x + 3x2 + 4, subtract x - x2 – 1.
answer only if you know​

Answer 1

Answer:

First add the sum

5x2 + x + 2 - 2x + 3x2 + 4

8x2 -x + 8

now subtract

8x2 -x + 8 - x + x2 - 1

9x2 -2x -7.