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OpenStudy (anonymous):
how do i simplify 3x(x-4y+7)
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OpenStudy (anonymous):
3x(x−4y+7) =(3x)(x+(−4y)+7) =(3x)(x)+(3x)(−4y)+(3x)(7) =3x2−12xy+21x =3x2−12xy+21x I'm pretty sure, at least...
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