Respuesta:
a = 2
Explicación paso a paso:
3(x-2)² - (2-x)² + 1
3(x² - 4x + 4) - (4 - 4x + x²) + 1 = 0
3x² -12x + 12 - 4 + 4x - x² + 1 = 0
2x² - 8x - 9 = 0
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Respuesta:
a = 2
Explicación paso a paso:
3(x-2)² - (2-x)² + 1
3(x² - 4x + 4) - (4 - 4x + x²) + 1 = 0
3x² -12x + 12 - 4 + 4x - x² + 1 = 0
2x² - 8x - 9 = 0
a = 2