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OpenStudy (anonymous):
3a^2 - 2 a=5
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OpenStudy (anonymous):
\[3(5)^{2}-2\] remember order of operations (p)arenthese (e)xponents (m)ultiplication & (d)ivision (a)ddition & (s)ubtraction
OpenStudy (anonymous):
plug in the 5 for a and solve. should get this 3(5)^2 - 2 = 73
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