A and B solved a quadratic equation. In solving it, A made a mistake in the constant term and obtained the roots as 6 and 2, while B made a mistake in the coefficient of x only and obtained the roots as -7 and -1. Find the correct roots of the equation?

A and B solved a quadratic equation. In solving it, A made a mistake in the constant term and obtained the roots as 6 and 2, while B made a mistake in the coefficient of x only and obtained the roots as -7 and -1. Find the correct roots of the equation?
1). 2 or 1
2). 3 or 4
3). 5 or 6
4). 7 or 1

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