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18 November, 01:23

which are steps in the process of completing the square used to solve the equation 3-4x=5xsquared - 14x?

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  1. 18 November, 04:35
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    Step-by-step explanation:

    The first step in completing the square is to make the leading coefficient 1.

    3 - 4x = 5x² - 14x

    First, add 4x to both sides.

    3 = 5x² - 10x

    Divide both sides by 5.

    3/5 = x² - 2x

    The next step is to create the square. Take half of - 2, square it, then add the result to both sides. (-2/2) ² = 1.

    3/5 + 1 = x² - 2x + 1

    8/5 = x² - 2x + 1

    Finally, factor the perfect square and solve for x.

    8/5 = (x - 1) ²

    Take the square root of both sides.

    ±√ (8/5) = x - 1

    Add 1 to both sides.

    x = 1 ± √ (8/5)
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