Solve the quadratic equation 5k^2+3k-33=3

Question

Solve the quadratic equation 5k^2+3k-33=3

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Thông Đạt 3 months 2021-07-29T13:54:47+00:00 2 Answers 2 views 0

Answers ( )

    0
    2021-07-29T13:56:11+00:00

    x= 12/5, -3 hope this helps

    0
    2021-07-29T13:56:21+00:00

    Answer:

    k = \frac{12}{5} or k=-3

    Step-by-step explanation:

    5k^{2} +3k-33 = 3

    5k^{2}+3k - 36=0

    (5k-12)(k+3)=0

    5k-12=0

    5k = 12

    k = \frac{12}{5}

    k + 3 = 0

    k=-3

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