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Advanced Math
/ Nonlinear equations in one variable and systems of equations in two variables
Difficulty: Medium
What is one of the solutions to the given equation?
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Explanation
The correct answer is either or . The left-hand side of the given equation can be rewritten by factoring. The two values that multiply to and add to are and . It follows that the given equation can be rewritten as . Setting each factor equal to yields two equations: and . Subtracting from both sides of the equation results in . Adding to both sides of the equation results in . Note that 2 and -12 are examples of ways to enter a correct answer.