I really need help on this, I don't quite understand what I am doing :.)
1 answer:
Subtract the two equations
f(x) - g(x)
(9x3 + 2x2 - 5x + 4) - (5x3 - 7x + 4)
9x3 + 2x2 - 5x + 4 - 5x3 + 7x - 4
4x3 + 2x2 + 2x
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