What is the integral of ((2x-1)(x+3))/(sqrt(x)) ?

The integral of ((2x-1)(x+3))/(sqrt(x)) is 4/5 x^{5/2}+10/3 x^{3/2}-6sqrt(x)+C

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integral of ((2x-1)(x+3))/(sqrt(x))

\int \frac{( 2 x - 1 ) ( x + 3 )}{x} d x

\frac{4}{5} x^{\frac{5}{2}} + \frac{10}{3} x^{\frac{3}{2}} - 6 x + C

Solution steps

\int \frac{( 2 x - 1 ) ( x + 3 )}{x} d x

Expand

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

= \int 2 x^{\frac{3}{2}} + 5 x - \frac{3}{x} d x

Apply the Sum Rule:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

= \int 2 x^{\frac{3}{2}} d x + \int 5 x d x - \int \frac{3}{x} d x

\int 2 x^{\frac{3}{2}} d x = \frac{4}{5} x^{\frac{5}{2}}

\int 5 x d x = \frac{10}{3} x^{\frac{3}{2}}

\int \frac{3}{x} d x = 6 x

= \frac{4}{5} x^{\frac{5}{2}} + \frac{10}{3} x^{\frac{3}{2}} - 6 x

Add a constant to the solution

= \frac{4}{5} x^{\frac{5}{2}} + \frac{10}{3} x^{\frac{3}{2}} - 6 x + C

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What is the integral of ((2x-1)(x+3))/(sqrt(x)) ?
The integral of ((2x-1)(x+3))/(sqrt(x)) is 4/5 x^{5/2}+10/3 x^{3/2}-6sqrt(x)+C