2x2−2x−12=0
Use the quadratic formula to find the solutions.
−b±√b2−4(ac)2a
Substitute the values a=2
, b=−2, and c=−12 into the quadratic formula and solve for x
.
2±√(−2)2−4⋅(2⋅−12)2⋅2
Simplify.
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x=1±52
The final answer is the combination of both solutions.
x=3,−2
