1) x(0.25x-3) - (0.5x+1)(0.5x-1)=0
0.25x^2-3x-0.25x^2+1=0
-3x=0-1
-3x=-1
x=1/3
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1) x(0.25x-3) - (0.5x+1)(0.5x-1)=0
0.25x^2-3x-0.25x^2+1=0
-3x=0-1
-3x=-1
x=1/3