A) \[50{{x}^{2}}-35xy-85{{y}^{2}}\]
B) \[50{{x}^{2}}-45xy+85{{y}^{2}}\]
C) \[15{{x}^{2}}+35xy+85{{y}^{2}}\]
D) \[50{{x}^{2}}-4xy-35{{y}^{2}}\]
E) None of these
Correct Answer: A
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