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QuestionHow do I handle binomials with a negative power? Example (x + 5)^-2DonaganTop Answerer(x + 5)^(-2) = 1 / (x + 5)² = 1 / (x² + 10x + 25).
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QuestionHow do I multiply a binomial by a trinomial?DonaganTop Answerer(a + b)(c + d - e) = ac + ad - ae +bc +bd - be.
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QuestionCan (X-1)(18/X-3/2) be solved by the FOIL method?Community AnswerYes. You can't really "solve" that expression since it's not an equation, but you can use FOIL to multiply the two terms together. The fractions are multiplied like any other term.
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QuestionWhat is (4y)(-y-2) - (3y)(4-y)?Community AnswerThat equals (-4y² - 8y) - (12y - 3y²) = -4y² - 8y -12y +3y² = -y² - 20y = -y(y + 20).
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