Mister Exam

Factor polynomial y^2-5

An expression to simplify:

The solution

You have entered [src]
 2    
y  - 5
$$y^{2} - 5$$
y^2 - 5
Factorization [src]
/      ___\ /      ___\
\x + \/ 5 /*\x - \/ 5 /
$$\left(x - \sqrt{5}\right) \left(x + \sqrt{5}\right)$$
(x + sqrt(5))*(x - sqrt(5))
Numerical answer [src]
-5.0 + y^2
-5.0 + y^2