(3/5)q^2-4q-1.75=0

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Solution for (3/5)q^2-4q-1.75=0 equation: 


q in (-oo:+oo)

(3/5)*q^2-(4*q)-1.75 = 0

(3/5)*q^2-4*q-1.75 = 0

3/5*q^2-4*q-1.75 = 0

DELTA = (-4)^2-(-1.75*3/5*4)

DELTA = 20.2

DELTA > 0

q = (20.2^(1/2)+4)/(3/5*2) or q = (4-20.2^(1/2))/(3/5*2)

q = 5/6*(20.2^(1/2)+4) or q = 5/6*(4-20.2^(1/2))

q in { 5/6*(4-20.2^(1/2)), 5/6*(20.2^(1/2)+4) }

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