Question

Resuelve: x2 + 3x – 2 = 0 (Formula general)

Answer 1

Respuesta:

x2 + 3x – 2 = 0

$x\cdot \:2+3x-2=0\\\\\\5x-2=0\\\\\\5x-2+2=0+2\\\\\\5x=2\\\\\\\frac{5x}{5}=\frac{2}{5}\\\\\\x=\frac{2}{5}$

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