Respostas

2013-09-12T12:55:53-03:00

[ P(x) ] .[ Q(X) ]=
(2x-1).(-4x² + 6x+3) =
 
- 8x³ + 12x² + 6x +4x² - 6x - 3 =
 
- 8x³ + 16x² - 3 

[P(x)]² = (2x-1)² = 4x² - 4x + 1

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