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16 February, 03:33

Rewrite the function f (x) = x^2-6x-60 by completing the square

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  1. 16 February, 04:28
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    x = (6+√276) / 2=3+√ 69 = 11.307

    Step by step solution:

    Step 1:

    Trying to factor by splitting the middle term

    1.1 Factoring x2-6x-60

    The first term is, x2 its coefficient is 1.

    The middle term is, - 6x its coefficient is - 6.

    The last term, "the constant", is - 60

    Step-1 : Multiply the coefficient of the first term by the constant 1 • - 60 = - 60

    Step-2 : Find two factors of - 60 whose sum equals the coefficient of the middle term, which is - 6.
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