what is the answer for - 18a3 b2+36ab4-24a2b???

Dear student
-18a3b2+36ab4-24a2b3=-6ab23a2-6b2+4ab
Regards

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NO IT IS NOT EQUIVALENT TO RATIONAL NUMBERS
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rkfnvnkdfknmcv
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Hi Parishi, these are of different category so we cannot add or subtract straight away
But we can simplify a little bit further
Taking -6 a b^2 as common factor 
we can write as - 6 a b^2 ( 3 a^2 - 6 b^2 + 4 a b)
So - 6 a b^2 (3a^2 + 4 a b - 6 b^2)
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What are you looking for?