Question

Find the value of a polynomial 5x_4x^2+3 at x=2

Answer 1

if x = 2

$5 \times 2 - 4 \times {2}^{2} + 3 \\ 10 - {2}^{2} \times {2}^{2} + 3 \\ 10 - {2}^{4} + 3 \\ 10 - 16 + 3 \\ - 3$

Here you go ,

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