SOLUTION: Given that x^2^n=8, find the value of the expression 3x^4^n-x^2^n-2. Thanks for your help.
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Question 945873: Given that x^2^n=8, find the value of the expression 3x^4^n-x^2^n-2. Thanks for your help.
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
Given that , (at least I guess you have that)
find the value of the expression (at least I guess you have that)
....substitute
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