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# Larry B.

## Expert Tutor for High School or College Math

### Brookline, MA (02446)

Travel radius 10 miles
Hourly fee \$60.00
 Background check passed as of 9/27/11 You don't pay for tutoring unless you find a good fit! You don't pay for tutoringunless you find a good fit!

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# how to factorize the polynomial (2x-y)6-(2x+y)6 (answer)

The expression (2x-y)6-(2x+y)6 is a difference of squares since it is [(2x-y)3]2 - [(2x-y)3]2. Now recall the difference of squares formula: a2 - b2 = (a+b)(a-b). Here, a = (2x-y)3 and b = (2x+y)3, so we can apply the diffference of squares formula.  [(2x-y)3]2...

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