C
Reordering the expression, from the highest coefficient to the lowest and independent terms:
4x +7 -5x²+3 -2x
This way:
-5x² +4x -2x +7
And simplifying it to, by adding algebraically like this:
-5x² +2x+7
So, 4x +7 -5x²+3 -2x It's the same as -5x²-2x+4