show that x=-1 is a zero of the polynomial p(x)=X2+5x+4
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Answer :
- yes
- x = -1 is a zero of the polynomial p(x) = x² + 5x + 4.
Given :
- p(x) = x² + 5x + 4
- x = -1
To find :
- Value of expression polynomial
Solution :
↦ p(x) = x² + 5x + 4
↦ p(-1) = (-1)² + 5(-1) + 4
↦ 1 + (-5) +4
↦ 4 - 4
↦ 0
Hence,
Yes , x = -1 is a zero of the polynomial p(x) = x² + 5x + 4.
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