Solve the System by the Substitution Method $$\begin{array} { l } y = 3 x ^ { 2 } + 6 x \\y = x ^ { 2 } - 4 x + 12\end{array}$$

question 42

Multiple Choice

Solve the system by the substitution method.
- $$\begin{array} { l } y = 3 x ^ { 2 } + 6 x \\y = x ^ { 2 } - 4 x + 12\end{array}$$

• A) \(( 1,9 ) , ( - 6,72 )\)
• B) \(( 2,0 ) , ( - 3,9 )\)
• C) \(( - 2,0 ) , ( - 3,9 )\)
• D) \(( 2,0 ) , ( 3,45 )\)

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