1. Factor completely 2x^2 + 9x + 4

2. Factor completely 3x^2 − x − 4

3. Factor completely 18x^2 − 21x −15

4. Factor completely 3x^2 + 5x + 1

5. Factor completely the following:
5a. x^2 − 4x − 12
5b. x^2 + 4x − 12
5c. x^2 − x − 12
5d. x^2 − 7x − 12

6. Given the trinomial, what is the value of the coefficient 'B' in the factored form? (2 points)

2x^2 + 14xy − 36y^2 = 2(x + By)(x − 2y)

B=