3/a-4=3/a.5

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Solution for 3/a-4=3/a.5 equation: 



3/a-4=3/a.5

We move all terms to the left:

3/a-4-(3/a.5)=0



Domain of the equation: a!=0

a∈R





Domain of the equation: a.5)!=0

a!=0/1

a!=0

a∈R



We add all the numbers together, and all the variables

3/a-(+3/a.5)-4=0

We get rid of parentheses

3/a-3/a.5-4=0

We calculate fractions


3a/a^2+(-3a)/a^2-4=0

We multiply all the terms by the denominator


3a+(-3a)-4*a^2=0

We add all the numbers together, and all the variables

-4a^2+3a+(-3a)=0

We get rid of parentheses

-4a^2+3a-3a=0

We add all the numbers together, and all the variables

-4a^2=0

a = -4; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-4)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$a=\frac{-b}{2a}=\frac{0}{-8}=0$

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