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How do u do this? It's a log problem. HELPPPPPPPPP!!!!!!!!!!!!!!!!!!!!

How do u do this? It's a log problem. HELPPPPPPPPP!!!!!!!!!!!!!!!!!!!!-example-1

1 Answer

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log_2x(80) = 2
80 = (2x)²
4x² = 80
x² = 20
x = 2√5
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