SOLUTION: Simplify
7^n-3×7^(n+1) / 20×7^(n-2)×7^(n+1)
Algebra.Com
Question 1020910: Simplify
7^n-3×7^(n+1) / 20×7^(n-2)×7^(n+1)
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Assume the problem is:
Cancel 7^(n+1)
Combine like terms to give a positive exponent
remove brackets
= =
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