(-4a-1)/10a=3/8

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Solution for (-4a-1)/10a=3/8 equation:


a in (-oo:+oo)

a*((-4*a-1)/10) = 3/8 // - 3/8

a*((-4*a-1)/10)-(3/8) = 0

a*((-4*a-1)/10)-3/8 = 0

(a*(-4*a-1))/10-3/8 = 0

(8*a*(-4*a-1))/(8*10)+(-3*10)/(8*10) = 0

8*a*(-4*a-1)-3*10 = 0

-32*a^2-8*a-30 = 0

-32*a^2-8*a-30 = 0

-2*(16*a^2+4*a+15) = 0

16*a^2+4*a+15 = 0

DELTA = 4^2-(4*15*16)

DELTA = -944

DELTA < 0

-2 = 0

-2/(8*10) = 0

-2/(8*10) = 0 // * 8*10

-2 = 0

-2 = 0

a belongs to the empty set

a belongs to the empty set

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