7x^2-6=22

Simple and best practice solution for 7x^2-6=22 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 7x^2-6=22 equation:


Simplifying
7x2 + -6 = 22

Reorder the terms:
-6 + 7x2 = 22

Solving
-6 + 7x2 = 22

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + 7x2 = 22 + 6

Combine like terms: -6 + 6 = 0
0 + 7x2 = 22 + 6
7x2 = 22 + 6

Combine like terms: 22 + 6 = 28
7x2 = 28

Divide each side by '7'.
x2 = 4

Simplifying
x2 = 4

Take the square root of each side:
x = {-2, 2}

See similar equations:

| A-15=-8 | | 24x^5+6x^3=0 | | 9.6+w-2.5=-8 | | 4(-8x+5)=-26+x | | 49k^2-81=0 | | 16v^6-12v^3/2v^3 | | Y+29=41 | | .5x+2=y | | 8x+4(2x-3)=-8x | | 24x^5+6x^2=0 | | (a+20)+b=58 | | 3.4-3x=7.4-5x | | x^2+18.5x=36 | | x^2+18.5x-36=0 | | 3m^2-4m=0 | | -3m^2-4m=0 | | -1+8y=-32 | | x+350=2500 | | 2500-x=350 | | 2500-350=x | | 4x^2-68x+64=0 | | 5x*2+16x-84=0 | | -2z^2+7z=0 | | 5+2x=-2x+6 | | p=2(e+w) | | 5x+2(x+7)= | | -450=9/5c+32 | | 4x-1/5-3x=1/30 | | 6n+1=n+21 | | 2t*2-72=0 | | 1-5y=-10 | | 1/3(6x-9)+5(3-2x) |

Equations solver categories