Write a polynomial function in standard form with given zero x=2,-1,-5

Question

Write a polynomial function in standard form with given zero x=2,-1,-5

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Ladonna 7 months 2021-07-31T03:59:17+00:00 1 Answers 9 views 0

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    2021-07-31T04:00:50+00:00

    Answer:

    Done below!

    Step-by-step explanation:

    (x – root)

    (x – 2)(x – (-1))(x – (-5)) = (x – 2)(x + 1)(x + 5)

    (x^{2} +x-2x-2)(x+5)=(x^{2} -x-2)(x+5)=x^{3}+5x^{2}-x^{2}   -5x-2x-10\\\\=x^{3}+4x^{2} -7x-10

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )