x² + 2x – 3 = 0 How do I sole this quadratic equation to get its two roots? Please indicate the steps leading to the solution.

Question

x² + 2x – 3 = 0
How do I sole this quadratic equation to get its two roots? Please indicate the steps leading to the solution.

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Neala 4 years 2021-07-31T00:29:23+00:00 1 Answers 17 views 0

Answers ( )

  1. thienhuong
    0
    2021-07-31T00:31:13+00:00
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    Step-by-step explanation:

    x²+2x-3=0

    (x²+3x)-(x-3)=0

    x(x+3)-1(x+3)=0

    (x-1)(x+3)=0

    x=1 or x=-3

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