Question 287585
-15*18=-270. Two numbers mult. to -270 and add to 17: 27, -10


15x^2+17x-18 = 15x^2+27x-10x-18 = 3x(5x+9)-2(5x+9) = (3x-2)(5x+9)


Answer: 15x^2+17x-18 = (3x-2)(5x+9)