(x-1)kwadrat +2 =2x rozwiaz to rownanie pomocy szynko !
(x-1)²+2=2x
x²-2x+1+2-2x=0
x²-4x+3=0
Δ=b²-4ac=16-12=4
√Δ=2
x₁=[-b-√Δ]/2a=[4-2]/2=1
x₂=[-b+√Δ]/2a=[4+2]/2=3
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(x-1)²+2=2x
x²-2x+1+2-2x=0
x²-4x+3=0
Δ=b²-4ac=16-12=4
√Δ=2
x₁=[-b-√Δ]/2a=[4-2]/2=1
x₂=[-b+√Δ]/2a=[4+2]/2=3