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OpenStudy (anonymous):
Simplify: (3a + 5b)^2
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OpenStudy (anonymous):
9a^2+30ab+25b^2
OpenStudy (aroub):
You solve it by using the rule which is: a^2+2ab+b^2 => (3a)^2 + 2(3a)(5b)+ (5b)^2 =>9a^2+30ab+25b^2
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