Question

x
$x { }^{2} - 5x + 6 = 0$
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Answer 1

${x}^{2} - 5x + 6 = 0$

${x}^{2} - 2x - 3x + 6 = 0$

$x(x - 2) - 3(x - 2) = 0$

$so$

$x = 3 \: or \: 2$

hope it helps you..