Solve the Equation by Making an Appropriate Substitution $$2 x - 9 \sqrt { x } - 56 = 0$$

question 132

Multiple Choice

Solve the equation by making an appropriate substitution.
- $$2 x - 9 \sqrt { x } - 56 = 0$$

• A) \(\{ 8 \}\)
• B) \(\{ 64 \}\)
• C) \(\left\{ \frac { 49 } { 4 } , 64 \right\}\)
• D) \(\left\{ \frac { 7 } { 2 } , 8 \right\}\)

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