Question 14: Performing the calculation \((x-2 y)^{2}+x(y+1)\) we get

14/01/2022 // by admin// Leave a Comment

Question 14: Performing the calculation \((x-2 y)^{2}+x(y+1)\) we get

A. \(x^{2}+4 y^{2}+xy .\)

B. \(x^{2}-3 x y+4 y^{2}+x .\)

C. \(x^{2}-3 x y+4 y^{2}+x +1\)

D. \(3x^{2}-x y+4 y^{2}+x .\)

\((x-2 y)^{2}+x(y+1)=x^{2}-4 x y+4 y^{2}+x y+x=x^{2}-3 x y+4 y^{2}+x .\)

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