Question

Solve 25^2x−1 = 400 for x.
Show your work.

Answer 1

Answer: x = 401/625

Step by step:

How to solve your problem

25^{2}x-1=400

Solve

1

Evaluate the exponent

2

Add

1

to both sides

3

Simplify

4

Divide both sides by the same factor

5

Simplify

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Solution

Answer 2

Exact Form:

x=401/625

Decimal Form:

x=0.6416