Question

12. if one zero of the polynomial p(x) = x2 + ais -5, find the value of a.
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Answer 1

Answer:

x = -5

p(x) = x² + a

(-5)² + a = 0

25 + a = 0

a = -25

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Answer 2

x2 +a =0

p(x) = -5

(-5) 2 + a = 0

25 + a=0

a= -25