736/28-y+5y=612y/y

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Solution for 736/28-y+5y=612y/y equation:



736/28-y+5y=612y/y
We move all terms to the left:
736/28-y+5y-(612y/y)=0
Domain of the equation: y)!=0
y!=0/1
y!=0
y∈R
We add all the numbers together, and all the variables
-y+5y-(+612y/y)+736/28=0
We add all the numbers together, and all the variables
4y-(+612y/y)+736/28=0
We get rid of parentheses
4y-612y/y+736/28=0
We calculate fractions
4y+(-17136y)/28y+736y/28y=0
We multiply all the terms by the denominator
4y*28y+(-17136y)+736y=0
We add all the numbers together, and all the variables
736y+4y*28y+(-17136y)=0
Wy multiply elements
112y^2+736y+(-17136y)=0
We get rid of parentheses
112y^2+736y-17136y=0
We add all the numbers together, and all the variables
112y^2-16400y=0
a = 112; b = -16400; c = 0;
Δ = b2-4ac
Δ = -164002-4·112·0
Δ = 268960000
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{268960000}=16400$
$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-16400)-16400}{2*112}=\frac{0}{224} =0 $
$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-16400)+16400}{2*112}=\frac{32800}{224} =146+3/7 $

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