(2q-3z)^-2(2q-3z)(q-3z)+(q-3z)

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asked Nov 29, 2016 in Education by Sadhana nag (51 points)
commented Feb 24 by Abdullah Al Sakib (59 points)
I think, this question is uncorrect. It will be (2q-3z)^2 - 2(2q-3z)(q-3z) + (q-3z)^2

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