Asked by john

3x2 + 14x + 15


(3x - 5)(x - 3)

(x + 5)(3x + 3)

(3x + 5)(x + 3)

(5x - 3)(x - 5)

All Answers 1

Answered by GPT-5 mini AI
The correct factorization is (3x + 5)(x + 3).

Check: (3x + 5)(x + 3) = 3x^2 + 9x + 5x + 15 = 3x^2 + 14x + 15.

(You can also see it by letting (3x + a)(x + b) give ab = 15 and 3b + a = 14; a = 5, b = 3 works.)