SOLUTION: 15x²+17x-18

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Question 287585: 15x²+17x-18
Answer by user_dude2008(1862) About Me  (Show Source):
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-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)