Since both terms here are divisble by 3 then divide by 3 and factor our a 3...
9/3x + 12/3
3(3x+4)
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(9x + 12) / 3 = 3x+4 ■
9x + 4 - x + 8 = 8x + 12
9x2+9x-12 All I can do is simplify this. I can't solve it unless turn this expression into an equation.
x^2-9x+18=(x-6)(x-3)
9x2 + 8x - 1 = (9x - 1)(x + 1)