Solve the equation by completing the square. (Enter your answers as a comma-separated list.)
x2 = −4x − 53
Solve the quadratic inequality. (Enter your answer using interval notation. If there is no solution, enter NO SOLUTION.)
x2 − 8x > −12
Solve the equation by factoring. (Enter your answers as a comma-separated list.)
125x = 5x3
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