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August 28, 2015
Posted by **Tim** on Wednesday, September 16, 2009 at 8:07pm.

28x square root + 63x square root

- 8th grade Math -
**bobpursley**, Wednesday, September 16, 2009 at 8:11pmI assume you mean

sqrt (28x) + sqrt(63x)

sqrt(7*4x) + sqrt(7*9x)

2sqrt(7x)+ 3sqrt(7x)

5sqrt(7x)