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OpenStudy (anonymous):
For homework it says simplify 5-3(4-3tothe2ndpower) And the answer is 20, but I can't figure out the steps to take to get 20
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OpenStudy (anonymous):
remember PEMDAS parentheses, exponents, multiplication and division, addition and subtraction so written out: \[5-3(4-3^2) = 5-3(4-9)=5-3(-5)=5-(-15)=5+15=20\]
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