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Solve the Equation x2=28x ^ { 2 } = 28 A) ±27\pm 2 \sqrt { 7 }

Question 351

Multiple Choice

Solve the equation.
- x2=28x ^ { 2 } = 28


A) ±27\pm 2 \sqrt { 7 }
B) ±4i7\pm 4 \mathrm { i } \sqrt { 7 }
C) ±47\pm 4 \sqrt { 7 }
D) ±2i7\pm 2 \mathrm { i } \sqrt { 7 }

Correct Answer:

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