(8x^2-4x+3)-(5x^2+2x+3)=0
8x^2-4x+3-5x^2-2x-3)=0
3x^2-6x=0
x^2-2x=0. a=1. b=-2 c=0
x^2=2x
x1=2
x2=c/x1=0/2=0
Ответ : x=0, x=2
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(8x^2-4x+3)-(5x^2+2x+3)=0
8x^2-4x+3-5x^2-2x-3)=0
3x^2-6x=0
x^2-2x=0. a=1. b=-2 c=0
x^2=2x
x1=2
x2=c/x1=0/2=0
Ответ : x=0, x=2