What is 4/(4x+5)-4/(4x-5) ?

The solution to 4/(4x+5)-4/(4x-5) is -(40)/((4x+5)(4x-5))

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify 4/(4x+5)-4/(4x-5)

simplify

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

- \frac{40}{( 4 x + 5 ) ( 4 x - 5 )}

Solution steps

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

Least Common Multiplier of

4 x + 5, 4 x - 5 : (4 x + 5) (4 x - 5)

Adjust Fractions based on the LCM

= \frac{4 ( 4 x - 5 )}{( 4 x + 5 ) ( 4 x - 5 )} - \frac{4 ( 4 x + 5 )}{( 4 x + 5 ) ( 4 x - 5 )}

Apply the fraction rule:

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

= \frac{4 ( 4 x - 5 ) - 4 ( 4 x + 5 )}{( 4 x + 5 ) ( 4 x - 5 )}

Simplify

4 (4 x - 5) - 4 (4 x + 5) : - 40

= \frac{- 40}{( 4 x + 5 ) ( 4 x - 5 )}

Apply the fraction rule:

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

= - \frac{40}{( 4 x + 5 ) ( 4 x - 5 )}

lo g_{16} (128)

80 - 45 - 20

\frac{4}{\frac{5}{4}}

- a (p + q)^{2}

\frac{1}{3} \times 15

What is 4/(4x+5)-4/(4x-5) ?
The solution to 4/(4x+5)-4/(4x-5) is -(40)/((4x+5)(4x-5))