Advanced Math practice question

Answer: 5

Divide both sides by the nonzero x: x = 5.

Common wrong answers

If you answered 0

x = 0 is excluded by the condition x ≠ 0.

If you answered 1

Check: 1² = 1 but 5(1) = 5.

If you answered 25

25 is 5², not the solution; dividing by x leaves x = 5.

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