Processing Math: Done

From Förberedande kurs i matematik 1

If we look at the expression, we see that it can be written as x2−62 and can therefore be factorized using the conjugate rule

x2−36=x2−62=(x+6)(x−6).

Because the factors x+6 and x−6 are linear expressions, they cannot be factorized any further (as polynomial factors).