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23 October, 02:32

X^2+8x solve by completing the square

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  1. 23 October, 02:42
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    x^2 + 8x

    to complete the square add (b/2) ^2 where b is the coefficient of x

    b=8 so (8/2) ^2 = 4^2 = 16

    (x^2 + 8x+16)

    (x+4) ^2
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