Mister Exam

Factor polynomial 9-x^2

An expression to simplify:

The solution

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     2
9 - x 
$$9 - x^{2}$$
9 - x^2
Factorization [src]
(x + 3)*(x - 3)
$$\left(x - 3\right) \left(x + 3\right)$$
(x + 3)*(x - 3)
Combinatorics [src]
-(-3 + x)*(3 + x)
$$- \left(x - 3\right) \left(x + 3\right)$$
-(-3 + x)*(3 + x)
Numerical answer [src]
9.0 - x^2
9.0 - x^2