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21 May, 00:48

Solve by factoring or finding square roots. 6x^2+9=-55x

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  1. 21 May, 03:27
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    (6x + 1) (x + 9)

    Step-by-step explanation:

    6x^2 + 9 = - 55x

    6x^2 + 55x + 9 = 0

    55 is a pretty big number compared to either 6 or 9. Not only that, but 6*9 = 54.

    So the answer is going to depend on multiply 6x together with 9

    (6x + __) (x + 9)

    Now what goes were the underline is?

    You have 54x. You need but 1 more to get 55x. So a one must go where the underline is.

    (6x + 1) (x + 9) Answer
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