(5n+5/5n^2+35n-40)+(7n/3n)

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Solution for (5n+5/5n^2+35n-40)+(7n/3n) equation: 


n in (-oo:+oo)

(5/5)*n^2+((7*n)/3)*n+5*n+35*n-40 = 0

10/3*n^2+40*n-40 = 0

DELTA = 40^2-(-40*10/3*4)

DELTA = 6400/3

DELTA > 0

n = ((6400/3)^(1/2)-40)/(2*10/3) or n = (-(6400/3)^(1/2)-40)/(2*10/3)

n = 3/20*((6400/3)^(1/2)-40) or n = -3/20*((6400/3)^(1/2)+40)

n in { -3/20*((6400/3)^(1/2)+40), 3/20*((6400/3)^(1/2)-40) }

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