7.
If f(x) + g(x) = 8x2 - 6x + 1
and f(x) = 10x2 - 7x + 3, what is g(x)?
A. g(x) = 2x2--2
B. g(x) = 2x2 + x - 2
C. g(x) = -2x2 + x + 2
D. g(x) = -2x2 + x-2