x^2+x≥2
x^2+x-2≥0
D=1+8=9
x1=(-1+3)/2*1=2/2=1
x2=(-1-3)/2*1=-4/2=-2
(-oo;-2]U[1;+oo)
x^2+x<6
x^2+x-6<0
D=1+24=25
x1=(-1+5)/2*1=4/2=2
x2=(-1-5)/2*1=-6/2=-3
(-3;2)
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______-3_____________-2__________1_________2_________
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(-3;-2]U[1;2)
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Verified answer
x^2+x≥2
x^2+x-2≥0
D=1+8=9
x1=(-1+3)/2*1=2/2=1
x2=(-1-3)/2*1=-4/2=-2
(-oo;-2]U[1;+oo)
x^2+x<6
x^2+x-6<0
D=1+24=25
x1=(-1+5)/2*1=4/2=2
x2=(-1-5)/2*1=-6/2=-3
(-3;2)
///////////////////////////////////////////////////////////////////
______-3_____________-2__________1_________2_________
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
(-3;-2]U[1;2)
x^2+x≥2
x^2+x-2≥0
D=1+8=9
x1=(-1+3)/2*1=2/2=1
x2=(-1-3)/2*1=-4/2=-2
(-oo;-2]U[1;+oo)
x^2+x<6
x^2+x-6<0
D=1+24=25
x1=(-1+5)/2*1=4/2=2
x2=(-1-5)/2*1=-6/2=-3
(-3;2)
///////////////////////////////////////////////////////////////////
______-3_____________-2__________1_________2_________
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
(-3;-2]U[1;2)