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Zeroes of a Polynomial

Find the valu...

Question

Find the value of the polynomial $p (x) = 5 x^{2} - 3 x + 7$ at $x = 1$ .

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Solution

Given $p (x) = 5 x^{2} - 3 x + 7$
At $x = 1$
$p (1) = 5 (1)^{2} - 3 (1) + 7$
$= 5 - 3 + 7$
$= 9$

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