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Mathematics 8 Online
OpenStudy (anonymous):

help

OpenStudy (anonymous):

With what?

OpenStudy (anonymous):

OpenStudy (anonymous):

Solving Quadratic Equations

OpenStudy (nikato):

Ur attachment is blank

OpenStudy (anonymous):

solve the equation using square roots x ^2-81=0

OpenStudy (nikato):

Using square roots?

OpenStudy (anonymous):

yes

OpenStudy (nikato):

So do u add 81 on both sides and then square root both sides

OpenStudy (anonymous):

i dont know what to do

OpenStudy (nikato):

Add 81 to both sides

OpenStudy (anonymous):

-81 ,81

OpenStudy (anonymous):

Use difference of two squares

OpenStudy (anonymous):

solve the equation using square roots 3x^2-147=0

OpenStudy (anonymous):

i help now

OpenStudy (anonymous):

Ok. Put the 147 on the other side.

OpenStudy (anonymous):

Then you divide 147 by 3.

OpenStudy (anonymous):

so help. much math. so square. pls help. wow.

OpenStudy (anonymous):

You can now find the value of x using square roots (square root both sides).

OpenStudy (anonymous):

Remember though, there are two values of x here.

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