2,84*28/y=28y

Solution for 2,84*28/y=28y equation:

2.84*28/y=28y

We move all terms to the left:

2.84*28/y-(28y)=0


Domain of the equation: y!=0

y∈R


We add all the numbers together, and all the variables

-28y+2.84*28/y=0

We multiply all the terms by the denominator


-28y*y+2.84*28=0

We add all the numbers together, and all the variables

-28y*y+79.52=0

Wy multiply elements

-28y^2+79.52=0

a = -28; b = 0; c = +79.52;
Δ = b2-4ac
Δ = 02-4·(-28)·79.52
Δ = 8906.24
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-\sqrt{8906.24}}{2*-28}=\frac{0-\sqrt{8906.24}}{-56}
=-\frac{\sqrt{}}{-56}
$
$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+\sqrt{8906.24}}{2*-28}=\frac{0+\sqrt{8906.24}}{-56}
=\frac{\sqrt{}}{-56}
$