Respostas

2014-05-20T12:14:43-03:00
X + y = -6 x * y = -16 y = -6 -x x *( -6 -x)= -16 -x^2 -6x + 16=0 calcule Delta ( 100 ) utilize BHASKARA e calcule x' e x" ---- -8 e 2