(2x-1)-(x-1)=d (x²-5)-(2x-1)=d ⇒
2x-1-x+1=x²-5-2x+1
x=x²-2x-4
x²-3x-4=0 D=25 √D=5
x₁=4 x₂=-1
Ответ: x=4.
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(2x-1)-(x-1)=d (x²-5)-(2x-1)=d ⇒
2x-1-x+1=x²-5-2x+1
x=x²-2x-4
x²-3x-4=0 D=25 √D=5
x₁=4 x₂=-1
Ответ: x=4.