5x-(x^2/30)-75=0

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Solution for 5x-(x^2/30)-75=0 equation: 


x in (-oo:+oo)

5*x-((x^2)/30)-75 = 0

5*x-1/30*x^2-75 = 0

DELTA = 5^2-(-75*(-1/30)*4)

DELTA = 15

DELTA > 0

x = (15^(1/2)-5)/(-1/30*2) or x = (-15^(1/2)-5)/(-1/30*2)

x = -15*(15^(1/2)-5) or x = 15*(15^(1/2)+5)

x in { -15*(15^(1/2)-5), 15*(15^(1/2)+5) }

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