check weartner 3 and -5 are the zeros of the polynomial xsquare-8x+15
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hey ..
P (x) = x^2 - 8x + 15
P(3) = (3)^2 - 8(3) + 15
= 9 - 24 + 15
= 24 - 24
= 0
P(-5) = (-5)^2 - 8(-5) + 15
= 25 + 40 + 15
= 80
P (x) = x^2 - 8x + 15
P(3) = (3)^2 - 8(3) + 15
= 9 - 24 + 15
= 24 - 24
= 0
P(-5) = (-5)^2 - 8(-5) + 15
= 25 + 40 + 15
= 80
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