en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify 1/(x+3)-5x

Solution

simplify

\frac{1}{x + 3} - 5 x

Solution

\frac{- 5 x ^{2} - 15 x + 1}{x + 3}

Solution steps

\frac{1}{x + 3} - 5 x

Apply the fraction rule:

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

= \frac{- 5 x ( x + 3 ) + 1}{x + 3}

Simplify

- 5 x (x + 3) + 1 : - 5 x^{2} - 15 x + 1

= \frac{- 5 x ^{2} - 15 x + 1}{x + 3}

Popular Examples

expand (u-2)^2 expand

(u - 2)^{2}

\frac{54}{5}

simplify 2/3-1/7 simplify

\frac{2}{3} - \frac{1}{7}

simplify (x-2)/(x^2)+(x+2)/(x^2-x)-1/(x^2-1)simplify

\frac{x - 2}{x ^{2}} + \frac{x + 2}{x ^{2} - x} - \frac{1}{x ^{2} - 1}

expand (x-10)(x-3)expand

(x - 10) (x - 3)

Frequently Asked Questions (FAQ)

What is 1/(x+3)-5x ?
The solution to 1/(x+3)-5x is (-5x^2-15x+1)/(x+3)