Find the value of the polynomial 5x-4x^2+3 at x= -1
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You just put the x value as -1 in the polynomial and then solve it. So u get-
(5)(-1) - (4)(-1)^2 + 3
= -5 - 16 + 3
= -18
(5)(-1) - (4)(-1)^2 + 3
= -5 - 16 + 3
= -18
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