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OpenStudy (anonymous):
(3x-2)^2 again ive got the 9x^2+4 how do i get the -12x
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OpenStudy (anonymous):
(3x-2)^2 =(3x-2)(3x-2) =3x(3x-2)-2(3x-2) =9x^2-6x-6x+4 =9x^2-12x+4
OpenStudy (anonymous):
ok i understand this one thanks
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