-8≥x2+6x
-x²-6x-8≥0
x²+6x+8≤0
Δ=36-32=4
√Δ=2
x1=-6-2/2=-4
x2=-6+2/2=-2
x∈(-4,-2)
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-8≥x2+6x
-x²-6x-8≥0
x²+6x+8≤0
Δ=36-32=4
√Δ=2
x1=-6-2/2=-4
x2=-6+2/2=-2
x∈(-4,-2)