Mister Exam

Factor polynomial z^2-27

An expression to simplify:

The solution

You have entered [src]
 2     
z  - 27
z227z^{2} - 27
z^2 - 27
Factorization [src]
/        ___\ /        ___\
\x + 3*\/ 3 /*\x - 3*\/ 3 /
(x33)(x+33)\left(x - 3 \sqrt{3}\right) \left(x + 3 \sqrt{3}\right)
(x + 3*sqrt(3))*(x - 3*sqrt(3))
Numerical answer [src]
-27.0 + z^2
-27.0 + z^2