x2=25/784

Simple and best practice solution for x2=25/784 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 x2=25/784 equation:



x2=25/784
We move all terms to the left:
x2-(25/784)=0
We add all the numbers together, and all the variables
x2-(+25/784)=0
We add all the numbers together, and all the variables
x^2-(+25/784)=0
We get rid of parentheses
x^2-25/784=0
We multiply all the terms by the denominator
x^2*784-25=0
Wy multiply elements
784x^2-25=0
a = 784; b = 0; c = -25;
Δ = b2-4ac
Δ = 02-4·784·(-25)
Δ = 78400
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{78400}=280$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-280}{2*784}=\frac{-280}{1568} =-5/28 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+280}{2*784}=\frac{280}{1568} =5/28 $

See similar equations:

| p+17=24 | | 13x^2+91x-9=0 | | 7p-5=9 | | 62=2(x+3)+2x | | 2(-2-k)-1=6k-21 | | -8x+7(2x-5)=-26-3x | | 7=3/5t−2 | | 0.2(10−5c)=5c−16 | | 12+6m+5m=6m-6+8m | | 8m–½+3m=½ | | │2x-4│=0 | | 36x12=1/100x | | 3(x-5)/4=3(x+1)/2 | | 16−2t=​1.5​​t+9 | | -7.3q=-37.1-2q | | 2(x-8)=x+5x | | 36x12=1x100/x | | x²+3x=0 | | 3d–(9–2d)=51 | | 36x=21 | | -2(4+4k)+k=24+k | | 4(3x+4)-24=10x+4 | | a=8(13-4)/2(6)+6+8 | | 36/12=1/100/x | | 66*t/60=60*(t+15)/60 | | 6=​m/8 | | 3x²+7x=0 | | 13x^2+91x-9=x | | 2(3r-4)=-(-6r) | | 10-2(2a+1)=7a-3 | | 5(2x-7)+6(5-x)=18 | | a=5(19-10)/7(6)+3+9 |

Equations solver categories