Question

use a formula de bhaskara e determine o cojunto soluçao
$\times {}^{2} - 6 \times + 9 = 0$
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Answer 1

$b { }^{2} - 4ac \\ 6 {}^{2} - 4 \times 1 \times 9 \\ 36 - 36 = 0$

$x = + - \frac{0}{2a } \\ x = \frac{0}{2} \\ x = 0$