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\int x^{3}-x^{2}\mathrm{d}x
Evaluate the indefinite integral first.
\int x^{3}\mathrm{d}x+\int -x^{2}\mathrm{d}x
Integrate the sum term by term.
\int x^{3}\mathrm{d}x-\int x^{2}\mathrm{d}x
Factor out the constant in each of the terms.
\frac{x^{4}}{4}-\int x^{2}\mathrm{d}x
Since \int x^{k}\mathrm{d}x=\frac{x^{k+1}}{k+1} for k\neq -1, replace \int x^{3}\mathrm{d}x with \frac{x^{4}}{4}.
\frac{x^{4}}{4}-\frac{x^{3}}{3}
Since \int x^{k}\mathrm{d}x=\frac{x^{k+1}}{k+1} for k\neq -1, replace \int x^{2}\mathrm{d}x with \frac{x^{3}}{3}. Multiply -1 times \frac{x^{3}}{3}.
\frac{1^{4}}{4}-\frac{1^{3}}{3}-\left(\frac{0^{4}}{4}-\frac{0^{3}}{3}\right)
The definite integral is the antiderivative of the expression evaluated at the upper limit of integration minus the antiderivative evaluated at the lower limit of integration.
-\frac{1}{12}
Simplify.