What is the integral of (3x^2+8x+7) ?

The integral of (3x^2+8x+7) is x^3+4x^2+7x+C

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integral of (3x^2+8x+7)

\int (3 x^{2} + 8 x + 7) d x

x^{3} + 4 x^{2} + 7 x + C

Solution steps

\int 3 x^{2} + 8 x + 7 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 3 x^{2} d x + \int 8 x d x + \int 7 d x

\int 3 x^{2} d x = x^{3}

\int 8 x d x = 4 x^{2}

\int 7 d x = 7 x

= x^{3} + 4 x^{2} + 7 x

Add a constant to the solution

= x^{3} + 4 x^{2} + 7 x + C

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What is the integral of (3x^2+8x+7) ?
The integral of (3x^2+8x+7) is x^3+4x^2+7x+C