## College Algebra (6th Edition)

15$x^{2}$ - 19x + 6 = 15$x^{2}$ - 10x - 9x + 6 = 5x(3x - 2) - 3(3x - 2) =(3x - 2)(5x - 3) 15$x^{2}$ -19x + 6 is a composite polynomial (3x - 2) and (5x - 3) are prime polynomials