Jacob tried to solve the following equation by completing the square. Interpret whether he solved it correctly or if he made a mistake

Question

Jacob tried to solve the following equation by completing the square. Interpret whether he solved it
correctly or if he made a mistake. If he did make a mistake, identify where the mistake was made and
correct his work. Find all solutions and show all of your work for full credit.
1. x2 + 8x + 12 = 0
2. x2 + 8x = -12
3. x2 + 8x + 8 = -4

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Thạch Thảo 5 months 2021-08-18T07:34:09+00:00 1 Answers 2 views 0

Answers ( )

    0
    2021-08-18T07:35:37+00:00

    Answer:

    1.2

    Step-by-step explanation:

    I see for $1.$ $2x+8x+12=0$

    $x(8+2)+12=0$

    $10x+12=0$

    $10x=-12$

    x=-1.2

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