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X/1X=40X/2.5X
We move all terms to the left:
X/1X-(40X/2.5X)=0
Domain of the equation: 1X!=0
X∈R
Domain of the equation: 2.5X)!=0We add all the numbers together, and all the variables
X!=0/1
X!=0
X∈R
X/1X-(+40X/2.5X)=0
We get rid of parentheses
X/1X-40X/2.5X=0
We calculate fractions
(-40X^2)/2X^2+2X^2/2X^2=0
Fractions to decimals
(-40X^2)/2X^2+1=0
We multiply all the terms by the denominator
(-40X^2)+1*2X^2=0
Wy multiply elements
(-40X^2)+2X^2=0
We get rid of parentheses
-40X^2+2X^2=0
We add all the numbers together, and all the variables
-38X^2=0
a = -38; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-38)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$X=\frac{-b}{2a}=\frac{0}{-76}=0$
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