x2-49/121=0

Simple and best practice solution for x2-49/121=0 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 x2-49/121=0 equation:



x2-49/121=0
We add all the numbers together, and all the variables
x^2-49/121=0
We multiply all the terms by the denominator
x^2*121-49=0
Wy multiply elements
121x^2-49=0
a = 121; b = 0; c = -49;
Δ = b2-4ac
Δ = 02-4·121·(-49)
Δ = 23716
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{23716}=154$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-154}{2*121}=\frac{-154}{242} =-7/11 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+154}{2*121}=\frac{154}{242} =7/11 $

See similar equations:

| 0.4x-2.2=3.2x+1.5 | | 4(2p-3)+5(3-p)=21 | | 24-7x=-2(-5+5) | | 52=(x-15) | | x/714=14 | | -5t^2+42t+100=0 | | X^3×x^2=243 | | -18.5=3.5(4.5r+8.5) | | 4x+3=21-3 | | 2x-9+2x-10+3x+5+3x+4=360 | | 19/22=x/110 | | x/110=19/22 | | -3 | | -3 | | (X+y=110) | | 3x+7*7x=3x*8x-1 | | (x-2)(x-4)(x-6)(x-8)=48 | | 4z-2z=26.5 | | x+52+48=180 | | x+110+12=180 | | 2.5(x-4)=10+4(1.5+0.5x) | | 2x+20+70+110=180 | | x+110+130=180 | | 4x²-8x-3=0 | | 5w-5=2 | | (6v+2)(4v^2+5v-3)=0 | | (6v+2)(4v^+5v-3)=0 | | 4y+3=74 | | 0.995998/0.004=x | | √5x+6+3=7 | | -3(1x-1)+9=15 | | 53=x/25 |

Equations solver categories