Question

Como se resolve Bhaskara ?
$x2 - 6x + 9 = 0$

Answer 1

${ - 6}^{2} - 4 \times 1 \times 9 \\ 36 - 36 \\ 0$
$\frac{6 + 0}{2 } = \\ \frac{6}{2} =3 \\ \frac{6 - 0}{2} = \frac{6}{2} = 3$