Solve.x4 - 49x2 + 180 = 0
A. ±3, ±3
B. ±2, ±3
C. ±2, ±
D. ±2, ±3
Answer: D
Mathematics
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?
at 
?
Express any non-integer coefficients as reduced fractions.
What will be an ideal response?
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A. 
B. 
C. 
D. 
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A. 
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