Answer:
(3x + 5) and (x - 6).
Step-by-step explanation:
3x^2-13x-30
Use the 'ac' method:
a * c = 3*-30 = -90.
We need two numbers whose product is -90 and whose sum is -13. They are -18 and + 5, so we have
3x^2 - 18x + 5x - 30 Factor by grouping:
= 3x(x - 6) + 5(x - 6)
= (3x + 5)(x - 6).
