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23 April, 21:05

Which statement describes how to solve ^3 squareroot x^2-6 = ^3 square root 2x+2

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Answers (2)
  1. 23 April, 22:33
    0
    Square both sides and then solves the resulting quadratic equations

    Step-by-step explanation:

    The equation is 3sqrt (x^2-6) = 3sqrt (2x+2)

    We can solve this by;

    First square both sides;

    (3√ (x²-6)) ² = (3√ (2x+2)) ²

    We obtain;

    9 (x²-6) = 9 (2x+2)

    We simplify to obtain a quadratic equation;

    x²-6=2x+2

    = x²-2x-8=0

    Then we solve the quadratic equation;

    x²-4x+2x-8=0

    x (x-4) + 2 (x-8) = 0

    (x+2) (x-8) = 0

    Values of x = - 2 or 8
  2. 23 April, 22:36
    0
    Cube both sides and then solve the resulting quadratic equation.

    Step-by-step explanation:

    It's the answer on edge
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