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Mathematics 20 Online
OpenStudy (anonymous):

Medal for help solve the equation by using square roots . 0=81x^2-25

OpenStudy (ipwnbunnies):

@obeydallas13 Do you know where you should start?

OpenStudy (anonymous):

start ??

OpenStudy (ipwnbunnies):

Yeah, you know what square roots are and everything? You know the perfect squares?

OpenStudy (ipwnbunnies):

It's cool when you leave your own problem when I try to help.

OpenStudy (anonymous):

yea I know and srry

OpenStudy (anonymous):

@iPwnBunnies

OpenStudy (ipwnbunnies):

Ok, try to get all the numbers on the left sie.

OpenStudy (ipwnbunnies):

side*

OpenStudy (ipwnbunnies):

\[\frac{25}{81} = x^{2}\]

OpenStudy (ipwnbunnies):

Take the square root of both sides. You can break the square root on the left side by taking the square root of 25 divided by square root of 81.

OpenStudy (anonymous):

5 over 9 ??

OpenStudy (ipwnbunnies):

Wouldn't it also be negative too? So you'll get two answers?

OpenStudy (anonymous):

+- 5/9

OpenStudy (ipwnbunnies):

There ya go

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