The most efficient first step in factoring 3x² - 15x - 18 is what? O Factor out 3. O Factor out (x + 1). Factor out-1. Factor out x. IM

Question

asked Jan 1, 2024 100k views

1 Answer

Chen Ni · Answer 1 · 2024-01-07T22:28:42+0000

Answer:

factor out 3

Explanation:

given

3x² - 15x - 18 ( factor out the common factor 3 from each term )

= 3(x² - 5x - 6) ← factorise the quadratic

= 3(x - 6)(x + 1) ← in factored form