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7 July, 02:29

If x2 + nx + 18 = (x + 9) (x + 2), what is the value of n?

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  1. 7 July, 03:23
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    Foil the right side. Multiply first, outer, inter, and the last terms. The right side is equal to x^2 + 11x + 18x. N is 11.
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