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

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

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User JaviL
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1 Answer

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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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User Levk
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