.....................................................................................
18xквадрат-9x+42x-24=0
18xкв+33x-24=0
D= 99+1728=1827(D>0.2к.)
x1=b2-кореньD/2a
x1=b2+кореньD/2a
.....................................................................................
18xквадрат-9x+42x-24=0
18xкв+33x-24=0
D= 99+1728=1827(D>0.2к.)
x1=b2-кореньD/2a
x1=b2+кореньD/2a