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Solve the System by the Substitution or Elimination Method (x−y=3x2−y2=45)\left( \begin{array} { r l r } x - y & = 3 \\x ^ { 2 } - y ^ { 2 } & = 45\end{array} \right)

Question 221

Multiple Choice

Solve the system by the substitution or elimination method. (x−y=3x2−y2=45) \left( \begin{array} { r l r } x - y & = 3 \\x ^ { 2 } - y ^ { 2 } & = 45\end{array} \right)


A) ( −- 9, 6)
B) (6, 9)
C) (9, −- 6)
D) (9, 6)

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