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3*(0.4*x+1.2)-(2*(0.3*x-2.6)) = 0.1*x
-1.07-0.7 = 0.3*x
y = 52*x^2+122*x-191;52;122;-191
-((122^2-(-191*4*52))/(4*52))
-(122/(2*52))
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