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OpenStudy (anonymous):
factor 81a2 + 36a + 4
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OpenStudy (anonymous):
perfect square trinomial
OpenStudy (anonymous):
if you need a tutor, email me at joreuba@gmail.com thanks
OpenStudy (anonymous):
81 = 9 x 9 4 = 2 x 2 so : \[(9a + 2)(9a + 2) = (9a + 2)^2\] ^_^
OpenStudy (anonymous):
81a^2 + 36a + 4 i need help on this one
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