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OpenStudy (anonymous):
show all work If a = 5 and b = 8, what is the value of 3a^2 - b?
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OpenStudy (anonymous):
Just plug in the numbers \[3(5^{2})-8\]
OpenStudy (anonymous):
Do you know how to simplify from there?
OpenStudy (anonymous):
not rlly im confused
OpenStudy (anonymous):
Ok. You do what's in the ( )'s first. So you get 3(25)-8. Then you multiply 3x25 to get 75. Then subtract 8 from 75 to get your final answer. |dw:1352856452112:dw|
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