6x-15x/3+4x^2

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Solution for 6x-15x/3+4x^2 equation: 


x in (-oo:+oo)

4*x^2+6*x-((15*x)/3) = 0

4*x^2+6*x-5*x = 0

4*x^2+x = 0

DELTA = 1^2-(0*4*4)

DELTA = 1

DELTA > 0

x = (1^(1/2)-1)/(2*4) or x = (-1^(1/2)-1)/(2*4)

x = 0 or x = -1/4

x in { -1/4, 0 }

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