5x^2-5=120

Simple and best practice solution for 5x^2-5=120 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 5x^2-5=120 equation: 


Simplifying
5x2 + -5 = 120

Reorder the terms:
-5 + 5x2 = 120

Solving
-5 + 5x2 = 120

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 5x2 = 120 + 5

Combine like terms: -5 + 5 = 0
0 + 5x2 = 120 + 5
5x2 = 120 + 5

Combine like terms: 120 + 5 = 125
5x2 = 125

Divide each side by '5'.
x2 = 25

Simplifying
x2 = 25

Take the square root of each side:
x = {-5, 5}

See similar equations:

| 3.1w-14.4w=4.3w-12 | | 3.1w=14.4w-12 | | -y^2+X-4y+1=0 | | 2m^2=17m-8 | | y^2(3y-4)+7(3y-4)=0 | | 31-2x=35+11a | | 1(9a+6)=15 | | y=0.25-7 | | 7y-15=5y+35 | | 2(4a+6)=20 | | 2(4a+6)=22 | | 2(4a+6)=23 | | -8=5-(7-a) | | 19=5-(c+9) | | 8y=-8-x | | 4x+6-2x+1=8x+1-x+8 | | 8+2=711 | | 12-y=4(y-2) | | X=5y-36 | | n+(n+7)=27+2n | | 4y^2-4xy+1=0 | | 3n-10n+15=4n | | -65-12=11a | | X+x+0.47+x+0.47+0.33=11.53 | | 12a+28c= | | -9(x+8)=3x+36 | | -5(6y-6)-y=-4(y-5) | | 15x+22(x-3)=193 | | 12p^2+99p+51=3-3p | | 20000000000000000000000000000000000000000000000000000-1222222222222222222222222222222222= | | -6n-3=-45 | | 5(2a+3)=25 |

Equations solver categories