first find the greatest common factor
in dividing remember to divide the numbers and subtract the exponents
a letter with no exponent written the exponent is 1
9x^2y^2=12xy^2-6xy
_______________________= 3xy ( 3xy-4y-2)
3xy
the 3xy can be cancelled in both the numerator and denominator leaving
3xy-4y-2
hope this helps
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