# Math Help - Algebra in Differential Equations

1. ## Algebra in Differential Equations

Just a quick question. I can't seem to figure out how to manipulate square roots when solving differential equations that require a change of variables. For example, how do you proceed from step 1 to step 2 in the following?

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2. Divide numerator and denominator by $x$ .

Fernando Revilla

3. Please do not double post. See rule #2 here.

-Dan