Respuesta:
x = ± 11
Explicación paso a paso:
2x^2+13 = 255
2x^2+13-13 = 255-13
2x^2 = 242
2x^2/2 = 242/2
x^2 = 121
x = √121
:)
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Respuesta:
x = ± 11
Explicación paso a paso:
2x^2+13 = 255
2x^2+13-13 = 255-13
2x^2 = 242
2x^2/2 = 242/2
x^2 = 121
x = √121
x = ± 11
:)