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OpenStudy (anonymous):
Is this correct ? Simplify: (3a + 5b)^2 9a^2 + 10ab + 25b^2
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OpenStudy (anonymous):
I think it's 30ab
OpenStudy (anonymous):
how did you get that ?
OpenStudy (anonymous):
9a^2 + 15ab + 15ab + 25b^2
OpenStudy (anonymous):
3 times 5 = 15
OpenStudy (anonymous):
ok thank you
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OpenStudy (anonymous):
No problem :)
OpenStudy (anonymous):
I came up with 9a^2 + 30ab + 25b^2
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