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OpenStudy (anonymous):
What is the value of the expression when n=3? –2n(5 + n – 8 – 3n)
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OpenStudy (triciaal):
expand the parenthesis group like terms where you have n replace with 3 then simplify the calculation
OpenStudy (triciaal):
note that you will get the same answer if you want to replace n with 3 first than do all the calculations to simplify
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