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19 October, 01:45

0 = (1x+1) (1x-3) if m (x) = 10, find the value of x

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  1. 19 October, 04:57
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    x=1+sqrt (14) & 1-sqrt (14).

    Step-by-step explanation:

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

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

    m (x) = (x+1) (x-3) = 10

    (x+1) (x-3) = 10

    x^2+x-3x-3=10

    x^2-2x-3=10

    x^2-2x-3-10=0

    x^2-2x-13=0

    Apply the quadratic formula with a=1, b=-2 and c=-13.

    The answer is x=1+sqrt (14) & 1-sqrt (14).
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