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Input:
(x^2 +b*x +c=0)
Write:
`(x^2 +b*x +c=0)`
Compute:
$$c+b\ x+{x}^{2}=0$$
Output:
$$c+b\ x+{x}^{2}=0== c+b\ x+{x}^{2}=0$$
Result: $$c+b\ x+{x}^{2}=0$$
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