Question

Factor completely by grouping: 6x² + 2x + 9x +3
is

Answer 1

(2x+3)(x+1)

Explanation:

6x² + 2x + 9x +3

(6x² + 2x) + (9x +3)

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

(2x+3)(x+1)

Answer 2

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

Explanation:

6x² + 2x + 9x +3

Make the groups

6x² + 2x + 9x +3

Factor 2x out of the first group and 3 out of the second group

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

Now factor out the common term inside the parentheses

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