Multiplying Binomials by a Binomial
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Sometimes, it helps to read an explanation and watch someone work through the process. Watch this example of FOIL for a problem with coefficients on the x terms.
Source: Khan Academy, https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:quadratics-multiplying-factoring/x2f8bb11595b61c86:multiply-binomial/v/multiplying-binomials
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