Question

(сtg п/6) 4x-12<1/3 x2-x

Answer 1

1/2*4x-12<1/3*x²-x
2x-12<1/3x²-x
x²-3x-6x+36>0
x²-9x+36>0
D=81-144=-63<0
x∈(-∞;∞)