x^2+2x-15/45-5x^2

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Solution for x^2+2x-15/45-5x^2 equation: 


x in (-oo:+oo)

x^2-(5*x^2)+2*x-(15/45) = 0

x^2-5*x^2+2*x-1/3 = 0

2*x-4*x^2-1/3 = 0

DELTA = 2^2-(-4*(-1/3)*4)

DELTA = -4/3

DELTA < 0

x belongs to the empty set

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