Respuesta:
x = ±7
Explicación paso a paso:
2x² + 18 = 116
2x² = 98
x² = 49
x = ± 7
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Verified answer
Respuesta:
x = ±7
Explicación paso a paso:
2x² + 18 = 116
2x² = 98
x² = 49
x = ± 7