Integrand size = 13, antiderivative size = 23 \[ \int (1-2 x) (3+5 x)^2 \, dx=9 x+6 x^2-\frac {35 x^3}{3}-\frac {25 x^4}{2} \]
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Time = 0.01 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.077, Rules used = {45} \[ \int (1-2 x) (3+5 x)^2 \, dx=-\frac {25 x^4}{2}-\frac {35 x^3}{3}+6 x^2+9 x \]
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Rule 45
Rubi steps \begin{align*} \text {integral}& = \int \left (9+12 x-35 x^2-50 x^3\right ) \, dx \\ & = 9 x+6 x^2-\frac {35 x^3}{3}-\frac {25 x^4}{2} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 23, normalized size of antiderivative = 1.00 \[ \int (1-2 x) (3+5 x)^2 \, dx=9 x+6 x^2-\frac {35 x^3}{3}-\frac {25 x^4}{2} \]
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Time = 0.69 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83
method | result | size |
gosper | \(-\frac {x \left (75 x^{3}+70 x^{2}-36 x -54\right )}{6}\) | \(19\) |
default | \(9 x +6 x^{2}-\frac {35}{3} x^{3}-\frac {25}{2} x^{4}\) | \(20\) |
norman | \(9 x +6 x^{2}-\frac {35}{3} x^{3}-\frac {25}{2} x^{4}\) | \(20\) |
risch | \(9 x +6 x^{2}-\frac {35}{3} x^{3}-\frac {25}{2} x^{4}\) | \(20\) |
parallelrisch | \(9 x +6 x^{2}-\frac {35}{3} x^{3}-\frac {25}{2} x^{4}\) | \(20\) |
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none
Time = 0.22 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83 \[ \int (1-2 x) (3+5 x)^2 \, dx=-\frac {25}{2} \, x^{4} - \frac {35}{3} \, x^{3} + 6 \, x^{2} + 9 \, x \]
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Time = 0.02 (sec) , antiderivative size = 20, normalized size of antiderivative = 0.87 \[ \int (1-2 x) (3+5 x)^2 \, dx=- \frac {25 x^{4}}{2} - \frac {35 x^{3}}{3} + 6 x^{2} + 9 x \]
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Time = 0.21 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83 \[ \int (1-2 x) (3+5 x)^2 \, dx=-\frac {25}{2} \, x^{4} - \frac {35}{3} \, x^{3} + 6 \, x^{2} + 9 \, x \]
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Time = 0.34 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83 \[ \int (1-2 x) (3+5 x)^2 \, dx=-\frac {25}{2} \, x^{4} - \frac {35}{3} \, x^{3} + 6 \, x^{2} + 9 \, x \]
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Time = 0.05 (sec) , antiderivative size = 19, normalized size of antiderivative = 0.83 \[ \int (1-2 x) (3+5 x)^2 \, dx=-\frac {25\,x^4}{2}-\frac {35\,x^3}{3}+6\,x^2+9\,x \]
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