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Question
Find the value of the polynomial 5x – 4x2 + 3 at x = 2.
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Solution
p(x) = 5x – 4x2 + 3
x = 2
p(2) = 5(2) – 4(2)2 + 3
= 10 – 16 + 3
= –3
Thus, the value of 5x – 4x2 + 3 at x = 2 is –3.
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