\left\{ \begin{array} { l } { c = 0 } \\ { - \frac { b } { 2 a } = 2 } \\ { - \frac { b ^ { 2 } - 4 a c } { 4 a } = 1 } \end{array} \right.
Solve for c, b, a
c=0
b=1
a=-\frac{1}{4}=-0.25
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