SOLUTION: (5n-2)3n-(5n-2)(n-1) Is equivalent to ?

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Question 741011: (5n-2)3n-(5n-2)(n-1) Is equivalent to ?
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
Using grouping w can write:

(5n-2)3n-(5n-2)(n-1)=(5n-2)(3n-(n-1))=(5n-2)(2n+1)