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2 years ago

Solve for X, 3^x + 3^2 = 90

Mathematics

1 answer:

polet [3.4K]2 years ago

8 0

3^x + 3^2 = 90

Simplify the known power:

3^x + 9 = 90

Subtract 9 from both sides:

3^x = 81

Take the cubic root of both sides:

X = 4

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Solve for X, 3^x + 3^2 = 90​

Solve for X, 3^x + 3^2 = 90