SOLUTION: can someone help with this exponent:x^2n times x^2-n.this is what I came up with:x^2n+2-n...but my book says the answer is,x^n+2...how is this done...tks tutors

SOLUTION: can someone help with this exponent:x^2n times x^2-n.this is what I came up with:x^2n+2-n...but my book says the answer is,x^n+2...how is this done...tks tutors

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Question 890209: can someone help with this exponent:x^2n times x^2-n.this is what I came up with:x^2n+2-n...but my book says the answer is,x^n+2...how is this done...tks tutors
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
can someone help with this exponent:x^2n times x^2-n.this is what I came up with:x^2n+2-n...but my book says the answer is,x^n+2
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You add the exponents (which you did)
2n + 2-n = 1n+2
= n+2
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