121-4x^2=0

Simple and best practice solution for 121-4x^2=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 121-4x^2=0 equation:


Simplifying
121 + -4x2 = 0

Solving
121 + -4x2 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-121' to each side of the equation.
121 + -121 + -4x2 = 0 + -121

Combine like terms: 121 + -121 = 0
0 + -4x2 = 0 + -121
-4x2 = 0 + -121

Combine like terms: 0 + -121 = -121
-4x2 = -121

Divide each side by '-4'.
x2 = 30.25

Simplifying
x2 = 30.25

Take the square root of each side:
x = {-5.5, 5.5}

See similar equations:

| y^2-8x+6x+17=0 | | t+29=11 | | 1=-1/4(2) | | 2x+5y=11.25 | | 0=-16x^2+145x+7 | | 13+2x=4x-8 | | y=ln(6*x+10) | | 7p^2+168=77p | | 2x+1(x+2)=0 | | 8x+8=8(x-3) | | 4(4x)+2(x)=72 | | x^3-3x^2+3x=9 | | .3x=294 | | k^2-48=2k | | 60=b+48 | | 4(z-2)+7=-13 | | -2-3x=-x+2 | | 4x-32+14-8=x+3 | | 2c+2=3c-48 | | -2-3x=-2+2 | | y^3-2y^2+y-2=0 | | x^4+y^4=48 | | d=5d-24 | | 4(x-3)=4+5x | | x^3-3x^2+3x-33= | | 7(k+6)=-(k-10) | | (6-u)(4u-3)=0 | | 8p^2-3p^2=15p+7p | | 49x^2+28xy+4y^2=0 | | -11(-5x-5)=9x-7 | | 6(3r+1)=12(2r+8) | | -14+(-4)=-58 |

Equations solver categories