5x=4/5(5x2)

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Solution for 5x=4/5(5x2) equation: 


x in (-oo:+oo)

5*x = 5*(4/5)*x^2 // - 5*(4/5)*x^2

5*x-(5*(4/5)*x^2) = 0

5*x-4*x^2 = 0

5*x-4*x^2 = 0

DELTA = 5^2-(-4*0*4)

DELTA = 25

DELTA > 0

x = (25^(1/2)-5)/(-4*2) or x = (-25^(1/2)-5)/(-4*2)

x = 0 or x = 5/4

x in { 0, 5/4 }

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