posted by Angie .
when 3g^2-4g+2 is subtracted from 7g^2+5g-1, what is the difference?
Subtract each term from the corresponding term with the same power of g.
7g^2 - 3g^2 = 4 g^2
5g -(-4g) = 9g
-1 -2 = -3
The difference is the sum of those three terms,
4g^2 +9g -3