2R^2+2R/14R^2+4R

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Solution for 2R^2+2R/14R^2+4R equation: 


R in (-oo:+oo)

((2*R)/14)*R^2+2*R^2+4*R = 0

1/7*R^3+2*R^2+4*R = 0

R*(1/7*R^2+2*R+4) = 0

1/7*R^2+2*R+4 = 0

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

DELTA = 12/7

DELTA > 0

R = ((12/7)^(1/2)-2)/(1/7*2) or R = (-(12/7)^(1/2)-2)/(1/7*2)

R = 7/2*((12/7)^(1/2)-2) or R = -7/2*((12/7)^(1/2)+2)

R = 0

R = 0

R in { -7/2*((12/7)^(1/2)+2), 7/2*((12/7)^(1/2)-2), 0 }

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