In solving a problem one student makes a mistake in the coefficient of the first degree term and obtains `-9 and -1` for the roots. Another student makes a mistake in the constant term of the equation and obtains 8 and 2 for the roots. The correct equation was

Options

A. `x ^(2) + 10 x + 9 =0`
B. ` x ^(2) -10 x + 16 =0`
C. ` x ^(2) - 10 x + 9 = 0`
D. None of the above