5x2-18x+9 = (5x-3)(x-3)
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(x-6)(x-9) I did that by factoring 54 until I found two numbers that added up to 15.
No, it isn't. It would be, if that "36" in the middle were "24" instead.
4x3+12x2+3x+9
6x2 - 13x - 63 = 6x2 + 14x - 27x - 63 = 2x(3x + 7) - 9(3x + 7) = (3x + 7)(2x - 9)
15v2+52v+45 = (5v+9)(3v+5) when factord