Question 980750
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Is this {{{2sqrt(7)/(x+sqrt(7))}}}?
If  so, answer follows. If not, disregard and re-post.
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{{{2sqrt(7)/(x+sqrt(7))}}} Multiply by {{{(x-sqrt(7))/(x-sqrt(7))}}}
{{{(2sqrt(7)*(x-sqrt(7)))/(x^2-7)=(2x*sqrt(7)-14)/(x^2-7)}}}