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Mathematics 14 Online

OpenStudy (lucidiousxiv):

I need help with Polynomials !!MEDAL!! (2x+3y)(2x+3y)(2x+3y) Someone help me solve it?

11 years ago

OpenStudy (anonymous):

you mean "multiply"?

11 years ago

OpenStudy (lucidiousxiv):

11 years ago

OpenStudy (lucidiousxiv):

@satellite73

11 years ago

zepdrix (zepdrix):

Have you learned about `Binomial Theorem`? :) If not, that's ok, expanding out three sets of brackets shouldn't be too bad.

11 years ago

OpenStudy (lucidiousxiv):

No I haven't sadly

11 years ago

zepdrix (zepdrix):

|dw:1443316909081:dw|We'll take the 2x from the first set of brackets and distribute it to each term in the second set of brackets. We do the same with the 3y from the first set of brackets. This method is often referred to as FOIL ( I can't remember what that stands for lol )

11 years ago

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