2x^2-x-10*2x+1/2x^2-5x-3*2x-5

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Solution for 2x^2-x-10*2x+1/2x^2-5x-3*2x-5 equation: 


x in (-oo:+oo)

2*x^2+(1/2)*x^2-x-(2*10*x)-(5*x)-(2*3*x)-5 = 0

2*x^2+(1/2)*x^2-x-20*x-5*x-6*x-5 = 0

5/2*x^2-32*x-5 = 0

DELTA = (-32)^2-(-5*5/2*4)

DELTA = 1074

DELTA > 0

x = (1074^(1/2)+32)/(2*5/2) or x = (32-1074^(1/2))/(2*5/2)

x = (1074^(1/2)+32)/5 or x = (32-1074^(1/2))/5

x in { (32-1074^(1/2))/5, (1074^(1/2)+32)/5 }

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