x^2+4x-12>5x
x^2-x-12>0
x^2-x-12=0
D=1-4*(-12)=49
x=(1+7)/2=4
x=(1-7)/2=-3
ответ:(-3;4)
x^2+4x -12>5x
x^2+4x-12-5x>0
D=1+48=49
x1=(1+7)/2 x2=(1-7)/2
x1=4 x2=-3
x^2+4x-12>5x
x^2-x-12>0
x^2-x-12=0
D=1-4*(-12)=49
x=(1+7)/2=4
x=(1-7)/2=-3
ответ:(-3;4)
x^2+4x -12>5x
x^2+4x-12-5x>0
x^2-x-12>0
D=1+48=49
x1=(1+7)/2 x2=(1-7)/2
x1=4 x2=-3