单词 | foil method |
释义 | FOIL MethodA handy way to remember how to multiply two binomials. It stands for "First, Outer, Inner, Last" It is the sum of: · multiplying the First terms, · multiplying the Outer terms, · multiplying the Inner terms, and · multiplying the Last terms Example: (a+b)(c+d) = ac + ad + bc + bd See: Binomial |
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