SOLUTION: In algebra 1, how do you multiply polynomials?
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Question 498527: In algebra 1, how do you multiply polynomials?
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
Depends. Sometimes you can use FOIL (acronym for first-outer-inner-last, order in which you can expand terms)
(y - 3) = x^2y - 3x^2 + y - 3)
Some higher-order polynomials you might just have to go term by term, satisfying the distributive property:
(4x^3 + 8x - 1) = 3x^2(4x^3 + 8x - 1) - 5(4x^3 + 8x - 1))
If you are raising a binomial to a power, use the binomial theorem.
^n = (nC0)x^n + (nC1)x^{n-1}y + (nC2)x^{n-2}y^2 + ... + (nCn)y^n)
Here, nCk denotes the number of ways to choose k objects from a set of n objects, regardless of order.
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