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Popular >

simplify x/(3x+7)-x/(9x+21)

Solution

simplify

\frac{x}{3 x + 7} - \frac{x}{9 x + 21}

Solution

\frac{2 x}{3 ( 3 x + 7 )}

Solution steps

\frac{x}{3 x + 7} - \frac{x}{9 x + 21}

Join

\frac{x}{3 x + 7} - \frac{x}{9 x + 21} : \frac{2 x}{3 ( 3 x + 7 )}

= \frac{2 x}{3 ( 3 x + 7 )}

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Frequently Asked Questions (FAQ)

What is x/(3x+7)-x/(9x+21) ?
The solution to x/(3x+7)-x/(9x+21) is (2x)/(3(3x+7))