Question

Could someone please help me solve this?

Answer 1

you just add both expressions so you get

2x^2+7x-5-8x^2-3x+5 then you combine like terms

-6x^2+4x

Answer 2

Add the two polynomials together. Add like terms together
(2-8)x^2 + (7-3)x +(-5+5)
Simplify to get the answer
-6x^2 + 4x