x²-3x-5=11-3x
x²-3x+3x-5-11=0
x²-16=0
x²-4²=0
(x+4)(x-4)=0
x1=-4, x2=4
x2-x1=4-(-4)=4+4=8
Otvet: L)8
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x²-3x-5=11-3x
x²-3x+3x-5-11=0
x²-16=0
x²-4²=0
(x+4)(x-4)=0
x1=-4, x2=4
x2-x1=4-(-4)=4+4=8
Otvet: L)8