Respostas

2014-07-14T22:07:51-03:00
2x - 3 = 0
2x = 3
x = 3/2
- O dobro do quadrado de x => 2(3/2)² => 2.(9/4) => 18/4 (simplificando) => 9/2 
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2014-07-14T22:30:39-03:00
2x - 3 = 02x = 3x = 3/2- O dobro do quadrado de x => 2(3/2)² => 2.(9/4) => 18/4 (simplificando) => 9/2