Solve the Equation After Making an Appropriate Substitution $$x + \sqrt { x } = 72$$

question 139

Multiple Choice

Solve the equation after making an appropriate substitution.
- $$x + \sqrt { x } = 72$$

• A) \(\{ 8 \}\)
• B) \(\{ 9 \}\)
• C) \(\{ 81 \}\)
• D) \(\{ 64 \}\)

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