Respuesta :

Answer:

your answer should be 14x^2+2x−9


Answer:

14x²+2x-9

Step-by-step explanation:

Given expression is 8x²-3x+6x²+5x-9.

Simplify as,

8x²+6x²-3x+5x-9

Add coefficients of x²,x

(8+6)x²+(-3+5)x-9

14x²+2x-9 which is the answer.