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ICSE Class 8 Answered

(9y^2-18xy+9x^2) /(3x-3y) 
Asked by Cl_narayan | 31 May, 2019, 12:29: PM
answered-by-expert Expert Answer
begin mathsize 16px style fraction numerator 9 straight y squared minus 18 xy plus 9 straight x squared over denominator 3 straight x minus 3 straight y end fraction
equals space fraction numerator 9 straight x squared space minus space 18 xy space plus 9 straight y squared space over denominator 3 straight x minus 3 straight y end fraction
equals space fraction numerator 9 straight x squared space minus space 9 xy space minus space 9 xy space plus 9 straight y squared over denominator 3 straight x minus 3 straight y end fraction
equals fraction numerator 9 straight x left parenthesis straight x space minus space straight y right parenthesis space minus 9 straight y left parenthesis straight x space minus space straight y right parenthesis over denominator 3 straight x minus 3 straight y end fraction
equals fraction numerator left parenthesis straight x space minus space straight y right parenthesis left parenthesis 9 straight x space minus 9 straight y right parenthesis over denominator 3 straight x minus 3 straight y end fraction
equals fraction numerator begin display style 9 left parenthesis straight x space minus space straight y right parenthesis left parenthesis straight x space minus straight y right parenthesis end style over denominator begin display style 3 open parentheses straight x minus straight y close parentheses end style end fraction
equals 3 open parentheses straight x minus straight y close parentheses
end style
Answered by Yasmeen Khan | 31 May, 2019, 02:38: PM

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