3/2r^2-2r=2

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Solution for 3/2r^2-2r=2 equation: 


r in (-oo:+oo)

(3/2)*r^2-(2*r) = 2 // - 2

(3/2)*r^2-(2*r)-2 = 0

(3/2)*r^2-2*r-2 = 0

3/2*r^2-2*r-2 = 0

DELTA = (-2)^2-(-2*3/2*4)

DELTA = 16

DELTA > 0

r = (16^(1/2)+2)/(3/2*2) or r = (2-16^(1/2))/(3/2*2)

r = 2 or r = -2/3

r in { -2/3, 2 }

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