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X=3X-10/8X
We move all terms to the left:
X-(3X-10/8X)=0
Domain of the equation: 8X)!=0We add all the numbers together, and all the variables
X!=0/1
X!=0
X∈R
X-(+3X-10/8X)=0
We get rid of parentheses
X-3X+10/8X=0
We multiply all the terms by the denominator
X*8X-3X*8X+10=0
Wy multiply elements
8X^2-24X^2+10=0
We add all the numbers together, and all the variables
-16X^2+10=0
a = -16; b = 0; c = +10;
Δ = b2-4ac
Δ = 02-4·(-16)·10
Δ = 640
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:$X_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$X_{2}=\frac{-b+\sqrt{\Delta}}{2a}$
The end solution:
$\sqrt{\Delta}=\sqrt{640}=\sqrt{64*10}=\sqrt{64}*\sqrt{10}=8\sqrt{10}$$X_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-8\sqrt{10}}{2*-16}=\frac{0-8\sqrt{10}}{-32} =-\frac{8\sqrt{10}}{-32} =-\frac{\sqrt{10}}{-4} $$X_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+8\sqrt{10}}{2*-16}=\frac{0+8\sqrt{10}}{-32} =\frac{8\sqrt{10}}{-32} =\frac{\sqrt{10}}{-4} $
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