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19 November, 14:13

The first three steps of completing the square to solve the quadratic equation x2+8x+5=0 what are next 3 steps

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  1. 19 November, 14:30
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    1. form is

    (x+a) ^2 - (a) ^2 + b

    a is half of the second coefficient in front of x (half of 8)

    (x+4) ^2 - (4) ^2 + 5

    (x+4) ^2 - 16+5

    = (x+4) ^2 - 9
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