2x-6/30+11x-7x^2

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Solution for 2x-6/30+11x-7x^2 equation: 


x in (-oo:+oo)

2*x-(7*x^2)+11*x-(6/30) = 0

2*x-7*x^2+11*x-1/5 = 0

13*x-7*x^2-1/5 = 0

DELTA = 13^2-(-7*(-1/5)*4)

DELTA = 817/5

DELTA > 0

x = ((817/5)^(1/2)-13)/(-7*2) or x = (-(817/5)^(1/2)-13)/(-7*2)

x = ((817/5)^(1/2)-13)/(-14) or x = ((817/5)^(1/2)+13)/14

x in { ((817/5)^(1/2)-13)/(-14), ((817/5)^(1/2)+13)/14 }

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