Question 1173127
factor into (x-3)(x+1)=0
x=3, -1
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factor out the common factors 3 and x
3x(x^2-4). Now there is a difference of squares, which may be factored
3x(x+2(x-2)
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The last isn't clear.
(5/3)/sqrt(x)?  If that is it multiply top and bottom by sqrt (x) for (5/3) sqrt(x)/x
If it is 5/(3 sqrt(x)), multiply top and bottom by sqrt(x) to get 5sqrt(x)/3x