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[tex] {x}^{2} - 2x - 15 \\ putting \: the \: value \: of \: x \\ {4}^{2} - 2(4) - 15 \\ 16 - 8 - 15 \\ - 7[/tex]
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Answer:
p(x) = x²-2x-15
when x=4 then,
p(4) = 4²- 2(4) - 15
p(4) = 16 - 8 - 15
p(4) = 8 - 15
p(4) = -7
so the value of the polynomial x²-2x-15 is -7 when x=4.
hope this answer is helpful to you.