Solve the quadratic inequality. Express your solution on a number line using interval notation.x(x + 9) ? 0
A. [0, ?) 
B. (-?, -9] ? [0, ?)
C. [-9, 0]
D. (-?, -9]
Answer: B
Mathematics
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?
?
Use C as the constant of integration.
What will be an ideal response?
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Solve the equation.y3 - y2 - 56y = 0
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