Mister Exam

Factor polynomial 16-x^2

An expression to simplify:

The solution

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