What is (5-x)/(3x-15) ?

The solution to (5-x)/(3x-15) is -1/3

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simplify (5-x)/(3x-15)

simplify

\frac{5 - x}{3 x - 15}

- \frac{1}{3}

Decimal Notation

- 0.33333 \dots

Solution steps

\frac{5 - x}{3 x - 15}

Factor

3 x - 15 : 3 (x - 5)

= \frac{5 - x}{3 ( x - 5 )}

5 - x = - (x - 5)

= \frac{- ( x - 5 )}{3 ( x - 5 )}

Cancel the common factor:

x - 5

= \frac{- 1}{3}

Apply the fraction rule:

\frac{- a}{b} = - \frac{a}{b}

= - \frac{1}{3}

(- 7 z^{4}) (7 z)

\frac{4 - x ^{2}}{x ^{2} - 5 x + 6}

2 - 2 x^{2}

\frac{\frac{2 x - 5}{4}}{\frac{x + 3}{4}}

\frac{x ^{2} - 64}{x ^{2} - 11 x + 24}