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Factor polynomial 3*x^2-27

An expression to simplify:

The solution

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   2     
3*x  - 27
$$3 x^{2} - 27$$
3*x^2 - 27
Factorization [src]
(x + 3)*(x - 3)
$$\left(x - 3\right) \left(x + 3\right)$$
(x + 3)*(x - 3)
Numerical answer [src]
-27.0 + 3.0*x^2
-27.0 + 3.0*x^2
Combinatorics [src]
3*(-3 + x)*(3 + x)
$$3 \left(x - 3\right) \left(x + 3\right)$$
3*(-3 + x)*(3 + x)
Combining rational expressions [src]
  /      2\
3*\-9 + x /
$$3 \left(x^{2} - 9\right)$$
3*(-9 + x^2)