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2014-01-02T17:23:18+08:00
Simplify...........
 (X^2 – 2x + 3) – (4x – 1 )         

ANSWER:  x^2 -6x +4

2.)     ( - 4 X^3)^3

ANSWER: -64x^9

3.)         2x (X^2)(- 4x) (+3)         

ANSWER: -24x^4
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