Write the quadratic equation in standard form. – 4(x – x²) = 8 Determine if the quadratic function

Question

Write the quadratic equation in standard form.
– 4(x – x²) = 8
Determine if the quadratic function

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Thiên Ân 41 mins 2021-07-22T08:08:29+00:00 1 Answers 0 views 0

Answers ( )

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    2021-07-22T08:09:52+00:00

    Answer:

    x² – x – 2 = 0

    Step-by-step explanation:

    Given:

    – 4(x – x²) = 8

    Find:

    Standards form

    Computation:

    – 4(x – x²) = 8

    (x – x²) = -2

    x – x² = -2

    x² – x – 2 = 0

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