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The teacher's poised shirt impressed the students and encouraged the students to help him solve his math problem.
Math problem: f(x)=*sqroot*x+2/x2 -7x+12
The first thing we do is square the top of the equation. Then you set x-2>0 and you get x>2.
After you get x>2, you must factor x2 -7x+12 and you get (x-4)(x-3).
Good Job! Then you factor down even more to get (-infinity, -4)(-4,-3)(-3,2)(2,infinity).
The final answer for the problem is x>2, x=3,4, (x-3)(x-4), (2,3)(3,4)(4,infinity)
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