What is the integral of 3sqrt(2x+25) ?

The integral of 3sqrt(2x+25) is (2x+25)^{3/2}+C

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integral of 3sqrt(2x+25)

\int 3 2 x + 25 d x

(2 x + 25)^{\frac{3}{2}} + C

Solution steps

\int 3 2 x + 25 d x

Take the constant out:

\int a \cdot f (x) d x = a \cdot \int f (x) d x

= 3 \cdot \int 2 x + 25 d x

Apply u-substitution

: \int \frac{u}{2} d u

= 3 \cdot \int \frac{u}{2} d u

Take the constant out:

\int a \cdot f (x) d x = a \cdot \int f (x) d x

= 3 \cdot \frac{1}{2} \cdot \int u d u

Apply the Power Rule

: \frac{2}{3} u^{\frac{3}{2}}

= 3 \cdot \frac{1}{2} \cdot \frac{2}{3} u^{\frac{3}{2}}

Substitute back

u = 2 x + 25

= 3 \cdot \frac{1}{2} \cdot \frac{2}{3} (2 x + 25)^{\frac{3}{2}}

Simplify

3 \cdot \frac{1}{2} \cdot \frac{2}{3} (2 x + 25)^{\frac{3}{2}} : (2 x + 25)^{\frac{3}{2}}

= (2 x + 25)^{\frac{3}{2}}

Add a constant to the solution

= (2 x + 25)^{\frac{3}{2}} + C

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What is the integral of 3sqrt(2x+25) ?
The integral of 3sqrt(2x+25) is (2x+25)^{3/2}+C