(12p2-q) / (4p) - 3p = 12р2/(4р) -q/(4p) -3p = 3p - q/(4p) -3p = -q/(4p) =
= -28/(4*0,35) = -28/1,4 = -280/14 = -20
(12p2-q) / (4p) - 3p = 12р2/(4р) -q/(4p) -3p = 3p - q/(4p) -3p = -q/(4p) =
= -28/(4*0,35) = -28/1,4 = -280/14 = -20