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9*2x+1=81x-2/3*
We move all terms to the left:
9*2x+1-(81x-2/3*)=0
We add all the numbers together, and all the variables
9*2x-(+81x-2/3*)+1=0
Wy multiply elements
18x-(+81x-2/3*)+1=0
We get rid of parentheses
18x-81x+1+2/3*=0
We multiply all the terms by the denominator
18x*3*-81x*3*+2+1*3*=0
We add all the numbers together, and all the variables
18x*3*-81x*3*=0
Wy multiply elements
54x^2-243x^2=0
We add all the numbers together, and all the variables
-189x^2=0
a = -189; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-189)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$x=\frac{-b}{2a}=\frac{0}{-378}=0$
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