Question

3x^2+40x+10<-x^2+11x+3
РЕШИТЕ НЕРАВЕНСТВА....

Answer 1

3x²+40x+10+x²-11x-3<0
4x²+29x+7<0
D=841-112=729
x1=(-29-27)/8=-7
x2=(-29+27)/8=-1/4
x∈(-7;-1/4)