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5 October, 21:24

Determine the solution: 6x^2 = - 42x

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  1. 5 October, 21:33
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    x = 0 or x = - 7

    Step-by-step explanation:

    Solve for x over the real numbers:

    6 x^2 = - 42 x

    Add 42 x to both sides:

    6 x^2 + 42 x = 0

    Factor x and constant terms from the left hand side:

    6 x (x + 7) = 0

    Divide both sides by 6:

    x (x + 7) = 0

    Split into two equations:

    x = 0 or x + 7 = 0

    Subtract 7 from both sides:

    Answer: x = 0 or x = - 7
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