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27 July, 08:24

Quadratic equations x^2+9x+18=0

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  1. 27 July, 09:54
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    Step-by-step explanation:

    You need two numbers that add to 9 and multiply to 18. There are not many things to try. 2 and 9 multiplies to 18, but it does not add to 9

    The answer should be 6 and 3 which works perfectly. So the factors are

    (x + 3) (x + 6)
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