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# Larry B.

## Expert Tutor for High School or College Math

### Brookline, MA (02446)

10 miles
Hourly fee
\$60.00

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unless you find a good fit!

### Background Check Status for Larry B.

Larry B. passed a background check on 9/27/11. The check was ordered by Larry through First Advantage. For more information, please review the background check information page.

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## Larry's Resources

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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(ex: algebra, chemistry)