solve this equation using synthetic division x³+2x²+4x+8=0​

Question

solve this equation using synthetic division x³+2x²+4x+8=0​

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Sigridomena 3 years 2021-08-31T13:04:30+00:00 1 Answers 7 views 0

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  1. niczorrrr
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    2021-08-31T13:05:58+00:00
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    Answer:

    Your answer is…….

    x^3 + 2x^2 + 4x + 8=0 Note.. if x=-2 then whole equation is 0

    So, (x+2) is one factor.

    x^3 + 2x^2 + 4x + 8

    =x^2(x+2)+4(x+2)

    (x+2)(x^2+4)

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