Question

If x = -2 then find the value of the polynomial x² + 5x -10.

Answer 1

★Given that :-

x = -2 is solution for polynomial p(x) x² + 5x -10

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★Solution:-

p(x)⇒x² + 5x -10

⇒(-2)² + 5(2) -10

⇒4 + 10 -10

$\huge\boxed{ p(x) = 4}$

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I HOPE IT HELPS.

Answer 2

Answer:

x²+5x-10

(-2)²+5(-2)-10

4-10-10

=-16

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