The first ten letters of the alphabet can be arranged 3,628,8000 different ways.
The factors of the equation
are 
Step-by-step explanation:
We need to factor the quadratic trinomial. 
We will do factorization by braking the middle term such that adding those number we get middle term (-3x) and multiplying those numbers we get (-18x^2)
Solving:

So, the factors of the equation
are 
Keywords: Finding Factors of Quadratic Equation
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17% of 19,700 = 3349. So if you add 3349 to 19,700 you get 23,049. So it sounds like it's around a 16-17% markup.