PLS HELP ILL MARK BRAINLIST

Answer:-9x-7-8x2-5x+9
-4x-7-8x2+9
Answer:-4x+2-8x2
Step-by-step explanation:
Answer:
8x²−14x+2
Step-by-step explanation:
Let's simplify step-by-step.
8x²−5x+9−9x−7
=8x²+−5x+9+−9x+−7
Combine Like Terms:
=8x²+−5x+9+−9x+−7
=(8x²)+(−5x+−9x)+(9+−7)
=8x²+−14x+2
=8x²−14x+2