1.

Which algebraic expression correctly represents the statement: the square of the product of numbers x and y subtracted from the square of their sum?

A. \[{{x}^{2}}+{{y}^{2}}-{{x}^{2}}{{y}^{2}}\]
B. \[{{x}^{2}}{{y}^{2}}-\left( {{x}^{2}}+{{y}^{2}} \right)\]
C. \[{{\left( x+y \right)}^{2}}-{{x}^{2}}{{y}^{2}}\]
D. \[{{x}^{2}}{{y}^{2}}-{{\left( x+y \right)}^{2}}\]
Answer» D. \[{{x}^{2}}{{y}^{2}}-{{\left( x+y \right)}^{2}}\]


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