Question

3x^2 + 6 - 2x + 5x - 4x^2 + 9


A. -x^2 + 3x + 15
B. 7x^2 + 3x + 3
C. x^2 - 3x + 15
D. -x^2 7x + 15

Answer 1

Hello,

I suppose you want to reduce the expression:

Answer A

3x²-4x²-2x+5x+6+9=-2x²+3x-15