Solve the equation by the zero-factor property.(x - 2)(x + 7) = 0
A. {-2, 7}
B. {±2, ±7}
C. {2, 7}
D. {2, -7}
Answer: D
Mathematics
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A. 
B. {?}
C. 
D. {2?}
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Simplify the expression by removing as many factors as possible from under the radical. Assume that all variables represent positive real numbers.
? 
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