Discussion

Column A Column B  
  0   x  
(A)Column A is larger
(B)...
(C)...
(D)...
(E)...
(F)...
*This question is included in Nova Math - Problem Set G: Quantitative Comparisons, question #60

The solution is

Posted: 03/10/2016 19:27
Where did the positive 3x^2 come from
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Admin
Posted: 03/10/2016 21:01
Hi Joelene,

3x^2 came from the expression 3(-x)^2 because the square turned the negative into a positive.

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