a=1/2*30.5(102.7+67.1)

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Solution for a=1/2*30.5(102.7+67.1) equation: 



a=1/2*30.5(102.7+67.1)

We move all terms to the left:

a-(1/2*30.5(102.7+67.1))=0

We add all the numbers together, and all the variables

a-(1/2*30.5(169.8))=0

We multiply all the terms by the denominator


a*2*30.5(169.8))-(1=0

Wy multiply elements

60a^2*3=0

Wy multiply elements

180a^2=0

a = 180; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·180·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$a=\frac{-b}{2a}=\frac{0}{360}=0$

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