monny75 monny75

04-04-2020
Mathematics

contestada

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

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kristinemahler100 kristinemahler100

04-04-2020

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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