Question

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

x1= -3 : x2 = -2

${x}^{2} + 3x + 2x + 6 \\ x(x + 3)2(x + 3) \\ (x + 3)(x + 2) \\ x + 3 = 0 => x1 = - 3 \\ x + 2 = 0 => x2 = - 2$