Solve the equation. Express radicals in simplest form.0.1x2 - 0.2x = 0.9
A. {2 + 
, 2 - 
}
B. {2 - 
}
C. {1 + 
, 1 - 
}
D. {1 + 
}
Answer: C
Mathematics
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A. 
x
+ 11x + C
B. 
x
+ x + C
C. 
x
+ x + C
D. 
x2+ x + C
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A. Not well defined B. Well defined
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Multiply.0.0071 × 8.7
A. 0.06177 B. 0.0006177 C. 0.6177 D. 0.006177
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Multiply.4 ? 4
A. 20 B. 8 C. 12 D. 16
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