What is 1/(x+4)+7/x ?

The solution to 1/(x+4)+7/x is (8x+28)/(x(x+4))

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simplify 1/(x+4)+7/x

simplify

\frac{1}{x + 4} + \frac{7}{x}

\frac{8 x + 28}{x ( x + 4 )}

Solution steps

\frac{1}{x + 4} + \frac{7}{x}

Least Common Multiplier of

x + 4, x : x (x + 4)

Adjust Fractions based on the LCM

= \frac{x}{x ( x + 4 )} + \frac{7 ( x + 4 )}{x ( x + 4 )}

Apply the fraction rule:

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

= \frac{x + 7 ( x + 4 )}{x ( x + 4 )}

Simplify

x + 7 (x + 4) : 8 x + 28

= \frac{8 x + 28}{x ( x + 4 )}

lo g_{2} (\frac{1}{2 ^{2}})

\frac{r s ^{5} t ^{3}}{r ^{4} s ^{4} t ^{- 2}}

a^{3} (a - b + 1) - b^{2} (a - b + 1)

15 x^{2} + 22 x + 8

(0.2 a + 8) (0.2 - 8)