Respuesta:
x = 12
Explicación paso a paso:
18 + x² = 162
x² = 162 - 18
x² = 144
x = ± 12
x = 12, x = -12
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Respuesta:
x = 12
Explicación paso a paso:
18 + x² = 162
x² = 162 - 18
x² = 144
x = ± 12
x = 12, x = -12