Mister Exam

Factor polynomial x^2-16

An expression to simplify:

The solution

You have entered [src]
 2     
x  - 16
$$x^{2} - 16$$
x^2 - 16
Factorization [src]
(x + 4)*(x - 4)
$$\left(x - 4\right) \left(x + 4\right)$$
(x + 4)*(x - 4)
Numerical answer [src]
-16.0 + x^2
-16.0 + x^2
Combinatorics [src]
(-4 + x)*(4 + x)
$$\left(x - 4\right) \left(x + 4\right)$$
(-4 + x)*(4 + x)