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July 22, 2014

July 22, 2014

Posted by **David** on Wednesday, December 12, 2012 at 2:48pm.

- Math help plz -
**Henry**, Friday, December 14, 2012 at 5:12pm3x^2 - 49 = 0.

3x^2 = 49

x^2 = 49/3

Take sqrt of both sides:

X = 7/sqrt3

Multiply denominator and numerator by

sqrt3:

X = 7sqrt3/(sqrt3)(sqrt3)

X = 7*sqrt3 / 3 = +- 4.04.

Note: sqrt means Square root.

X = 4.04.

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