What what value of m, the quadratic equation x^2 - 2mx + 9 =0, whicg has real and equal roots

What what value of m, the quadratic equation x^2 - 2mx + 9 =0, whicg h

1.	What what value of m, the quadratic equation x^2 - 2mx + 9 =0, whicg has real and equal roots
Answer» M=3√2