100x+3=-1/78x

Simple and best practice solution for 100x+3=-1/78x equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 100x+3=-1/78x equation:



100x+3=-1/78x
We move all terms to the left:
100x+3-(-1/78x)=0
Domain of the equation: 78x)!=0
x!=0/1
x!=0
x∈R
We get rid of parentheses
100x+1/78x+3=0
We multiply all the terms by the denominator
100x*78x+3*78x+1=0
Wy multiply elements
7800x^2+234x+1=0
a = 7800; b = 234; c = +1;
Δ = b2-4ac
Δ = 2342-4·7800·1
Δ = 23556
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:
$\sqrt{\Delta}=\sqrt{23556}=\sqrt{4*5889}=\sqrt{4}*\sqrt{5889}=2\sqrt{5889}$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(234)-2\sqrt{5889}}{2*7800}=\frac{-234-2\sqrt{5889}}{15600} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(234)+2\sqrt{5889}}{2*7800}=\frac{-234+2\sqrt{5889}}{15600} $

See similar equations:

| 6n(8)=64 | | 100x+3=-1÷78x | | -1/3v-6=-18 | | 3(2x+4)-8=16 | | 7x-(x-15)=2x-(2+x) | | 7x-(x-15)=2x-(7+x) | | 7x-(x-15)=2x-(5+x) | | -7n(2)=58 | | 7x-(x-15)=2x-(6+x) | | -7nX2=58 | | 4+6x=28* | | 3n+17=95 | | 1x+6=5+2 | | 5x-17=3* | | n+26=32* | | 5h*6=16 | | -5n=58 | | n-12=32* | | 3x+5=7-19 | | 1.5+0.5=j* | | n=35.5-9.5* | | 4(x-4)=3/4(3x+4)+2 | | 7f=49* | | 12d-3/4=4d-1 | | -4t^2+2t+30=0 | | u+2.68=9.12 | | 1/3x=0.5 | | 2x+13+3x-30=180 | | 10t/21−t/7=1 | | 3x-5=17× | | 20/x=30/120 | | 4c-4=2c+16 |

Equations solver categories