Rozwiąż równanie
x²-6x-16=0
Δ=36+64=100
√Δ=10
x₁=6+10/2=8
x₂=6-10/2=-2
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x²-6x-16=0
Δ=36+64=100
√Δ=10
x₁=6+10/2=8
x₂=6-10/2=-2