(x-3)(x-2)+18=(x+9)(x+1)

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(x-3)(x-2)+18=(x+9)(x+1)(x-3)(x-2)+18=(x+9)(x+1)(x-3)(x-2)+18=(x+9)(x+1)(x-3)(x-2)+18=(x+9)(x+1)x^2-

(x-3)(x-2)+18=(x+9)(x+1)
(x-3)(x-2)+18=(x+9)(x+1)

(x-3)(x-2)+18=(x+9)(x+1)
(x-3)(x-2)+18=(x+9)(x+1)
x^2-5x+6+18=x^2+10x+9
24-5x=10x+9
5x+10x=24-9
15x=15
x=1