$$\left(x + 1\right) \left(x + 3\right)$$
General simplification
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$$x^{3} + 5 x^{2} + 7 x + 3$$
$$x^{3} + 5 x^{2} + 7 x + 3$$
$$x^{3} + 5 x^{2} + 7 x + 3$$
Assemble expression
[src]
$$x^{3} + 5 x^{2} + 7 x + 3$$
Rational denominator
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$$x^{3} + 5 x^{2} + 7 x + 3$$
Combining rational expressions
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$$x \left(x \left(x + 5\right) + 7\right) + 3$$
3.0 + x^3 + 5.0*x^2 + 7.0*x
3.0 + x^3 + 5.0*x^2 + 7.0*x
$$x^{3} + 5 x^{2} + 7 x + 3$$
$$\left(x + 1\right)^{2} \left(x + 3\right)$$