Quick help needed

I cant solve this, and need some quick help.

4*pi*X+2000/x^2=0

Thanks in advance :)

How do I simplify these two?

2X(1000/x2+2x)
2(x+2)(1000/x2+2x)

Quote:

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Originally Posted by dipsy34

I cant solve this, and need some quick help.

4*pi*X+2000/x^2=0

Thanks in advance :)

How do I simplify these two?

2X(1000/x2+2x)
2(x+2)(1000/x2+2x)

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Solve:



multiply through by :



rearrange:



and you should be able to take it from there.

(for the others first multiply out the brackets)

RonL