Question

find the value of the polynomial p(x) =x²+5x-24 at x=3​

Answer 1

Step-by-step explanation:

$given \: \: \: x = 3 \\ \\ p(x) = {x}^{2} + 5x - 24 \\ p(x) = (3) {}^{2} + 5 \times 3 - 24 \\p(x) = 9 + 15 - 24 \\ p(x) = 24 - 24 \\ p(x) = 0$

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