Find the real solutions of the equation.2x4 - 2x3 + x2 - 5x - 10 = 0

A.
B.
C. {-1, 2}
D. {1, -2}


Answer: C

Mathematics

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A. C B. E C. A D. G

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A. 0.0421 B. 42.1 C. 0.00421 D. 0.421

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Solve.(4m + 7)2 - 7(4m + 7) + 6 = 0

A. - 2, - 
B. - 
C.
D. - , - 

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Convert the units using unit fractions.80 oz =  lb

A. 6 B. 20 C. 5 D. 8

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