Question

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

Respuesta:

${x}^{2} + 5x + 6 = 0 \\ {x}^{2} + 3x + 2x + 6 = 0 \\ x \times (x + 3) + 2(x + 3) = 0 \\ (x + 3) \times (x + 2) = 0 \\ x + 3 = 0 \\ x + 2 = 0 \\ \\ x = - 3 \\ x = - 2 \\ por \: lo \: tanto \\ x1 = - 3 \\ x2 = - 2$

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