Question

Find the sum of 2x 2 + 3x - 4, 8 - 3x, and -5x 2 + 2.

Answer 1

`2x^2 + 3x - 4+ 8 - 3x -5x ^2 + 2`

Start by combining like terms
2x^2+(-5x^2) = -3x^2
3x-3x=0 <--Cancels out
-4+8=4+2=6

Final answer:

`-3x^2+6`