Given f(x) = - 7x + 5x^2 + 10
So f(-2) = - 7(-2) + 5 (-2)^2 + 10 = 14 + 20 + 10 = 44
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5x2+ 7x + 2 = (x + 1)(5x + 2).
I am assuming this is: .2x4 - 5x2 - 7x, which would be a Quartic Polynomial.
7x-2
(5x + 2)(x + 1)
X= (3/5 , -2)