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Mathematics 20 Online
OpenStudy (anonymous):

5x=40x^-1/2 find x

OpenStudy (aravindg):

Different methods are possible. Which one you like-Squaring or rearranging?

OpenStudy (anonymous):

I don't mind

OpenStudy (anonymous):

i would like it if u use squaring

OpenStudy (anonymous):

Or both method

OpenStudy (aravindg):

Okay. Let's first rearrange. Take all x to one side and constants to other side.

OpenStudy (anonymous):

what will i get

OpenStudy (aravindg):

Better find out! Did you try what I said?

OpenStudy (anonymous):

No okay wait

OpenStudy (anonymous):

i don't understand it.its kind of confusing

OpenStudy (aravindg):

Okay, How about first dividing both sides by x^(-1/2)

OpenStudy (mrnood):

I think you are trying to get people to give you complete answers. You are studying proerties of exponents Divide both sides by 5x then simplify using properties

OpenStudy (anonymous):

okay i get that

OpenStudy (anonymous):

x=4

OpenStudy (mrnood):

also note 8= 2^3

OpenStudy (anonymous):

okay

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