Question

Factor completely: 3x^3 + 3x^2 - 18x

3x(x + 3)(x + 2)

3x(x + 3)(x - 2)

3x(x - 3)(x + 2)

3x(x - 3)(x - 2)


This one is B right?

Answer 1

Yes you are correct.

Answer 2

Yes.
3x^3 + 3x^2 - 18x

Factor out the common term 3x
3x(x^2+x−6)

2 Factor x^2+x−6:
1. Ask yourself which two numbers add up to 1 and multiply to -6?
2. Answer: -2 and 3
3. Rewrite the expression as (x−2)(x+3):
3x(x−2)(x+3)

Answer 3

Thanks

Answer 4

welcome