Question 86632
x2 + 5x - 6 = 0

==> x^2 + 6x - x - 6 = 0

==> x(x +6) - (x + 6) = 0

==> (x+6) (x-1) = 0

==> x-1 = 0  or x + 6 = 0

==> x = 1  or x = -6