solve (1.1^(4)a+1.1^(3)b+1.1^(2)c+1.1d=2.2) and (9.4^(4)a+9.4^(3)b+9.4^(2)c+9.4d=5.1) and (12^(4)a+12^(3)b+12^(2)c+12d=0) and (4*(9.4^(3)))a +265.08b+18.8c+d=0)