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25 November, 09:36

Solve the quadratic equation for x. What is the product when the roots are multiplied? (x + 2) 2 = 1 A) - 3 B) - 6 C) - 9 D) 3

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  1. 25 November, 11:11
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    D

    Step-by-step explanation:

    To solve the quadratic equation, use the inverse operation to squaring. This will undo the exponent and allows x to be isolated. The inverse operation is the square root. This is called the square root property of equality.

    (x + 2) ² = 1

    √ (x+2) ² = √1

    (x+2) = ±1

    x = 1 - 2 and x = - 1 - 2

    x = - 1 and x = - 3

    The product of the roots - 1 and - 3 is - 1*-3 = 3
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