math
posted by Paul .
factor this polynomial function completely
f(x)=12x^4+10x^3214x^2+198x+90
I found all the possible rational zeros but just cant seem to factor it all

math 
Reiny
If you found the rational zeros then it is easy to find the factors.
e.g. suppose one of the values is x = 2/3
then the corresponding facor is (3x+2)
so just use your zeros and set up the factors from those following the pattern from above.
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