2x^3 + 5x^2 + 6x + 15
Which of the following is equivalent to the expression above?
O (x + 3)(2x^2 + 5)
O (x + 5)(2x^2 + 3)
O (x^2 + 3)(2x + 5)
O (x^2 + 5)(2x + 3)