Question

Verify 5 and - 3 are the zeros of polynomials x² + 2x - 15 and check the relation betwee
zeroes and coefficients.



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Answer 1

Answer:

x

2

−2x−15=0

⇒x

2

−5x+3x−15=0

⇒x(x−5)+3(x−5)=0

⇒x=−3,5