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Use square method to solve this quadratic equation X^2+8X-7=0

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4 answers

  1. Just a variation of your last post, when you were Dan
    x^2 + 8x = 7
    x^2 + 8x + 16 = 7 + 16

    continue....

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  2. Please help to finish it

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  3. x^2 + 8x + 16 = 7 + 16
    (x+4)^2 = 23 , now take the square root of both sides
    x + 4 = ±√23
    x = -4 ± √23

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  4. Is that all

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