Answer:
See below.
Step-by-step explanation:
Step-by-step explanation:
The 'ac' method. here's an example:
Factor x^2 - x - 6.
Compare with ax^2 + bx + c:
a = 1 and c = -6 so ac = -6.
b = -1 so we try -6 = -3 * 2:
x^2 - x - 6
= x^2 - 3x + 2x - 6
Factor by grouping.
= x(x - 3) + 2(x - 3)
= (x + 2)(x - 3).
