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OpenStudy (anonymous):
Is 9a2 − 30a + 25 a perfect square trinomial? If so, what are the factors?
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OpenStudy (anonymous):
yup \[a^2-2ab+b^2=(a-b)^2\] \[(3a)^2-2(3a)(5)+(5)^2=youranswer\]
OpenStudy (anonymous):
My test has four different options I'll copy and paste them
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