Respuesta:
nsjnddu
lslsndkdidnd7dj
Explicación paso a paso:
nsiwndidndkdnf8fn
a © b = x © 2
Nos pide hallar x:
a² - b² = 21
x² - 2² = 21
x² - 4 = 21
x² = 21 + 4
x² = 25
x = √25
x = 5
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Respuesta:
nsjnddu
lslsndkdidnd7dj
Explicación paso a paso:
nsiwndidndkdnf8fn
a © b = x © 2
Nos pide hallar x:
a² - b² = 21
x² - 2² = 21
x² - 4 = 21
x² = 21 + 4
x² = 25
x = √25
x = 5