Question

What is the factored form of 18x2 + 3x - 6?

3(3x + 2)(2x -1)

3(2x + 1)(3x - 2)

6(3x - 1) (x + 1)

6(3x + 1) (x -1)

Answer 1

3(2x+1)(3x-2)

Explanation:

Add and subtract the second term to the expression and factor by grouping.