Question 27861
Factor:
{{{x^2-11x-60}}} The factors will have the form:
 (x + m)(x + n) where (m)(n) = -60 and (m) + (n) = -11
Try m = 4 and n = -15
(m)(n) = -60 and (m)+(n) = 4+(-15) = -11

The factors are:

(x+4)(x-15)