3x^2-75=12

Simple and best practice solution for 3x^2-75=12 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 3x^2-75=12 equation:


Simplifying
3x2 + -75 = 12

Reorder the terms:
-75 + 3x2 = 12

Solving
-75 + 3x2 = 12

Solving for variable 'x'.

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

Add '75' to each side of the equation.
-75 + 75 + 3x2 = 12 + 75

Combine like terms: -75 + 75 = 0
0 + 3x2 = 12 + 75
3x2 = 12 + 75

Combine like terms: 12 + 75 = 87
3x2 = 87

Divide each side by '3'.
x2 = 29

Simplifying
x2 = 29

Take the square root of each side:
x = {-5.385164807, 5.385164807}

See similar equations:

| y+-20=-16 | | 5n^2+1=40 | | 80+40x+59x+1=180 | | a+18=-19 | | (2x-7)(7x-2)=0 | | A^2+9=25 | | 5x-5=-3(-3-1) | | 16t+2=49 | | 9xy+45=2 | | 20g*g=16g | | 4x-9=81 | | (x+3)(x+3)=11 | | 14.75x=1.35+0.30x | | 2x^3-6x^2+8x-24=0 | | 4u-4=4(2-u)-4 | | -14-n=-8(7n+8)-5 | | T^2-8=7 | | 14.75=1.35+0.30 | | 2(10)-2(3)=10 | | 1.5X=25 | | 3v+8=0 | | (5x-32)+89=180 | | (x+1)(x+1)=x^2 | | 12x+6x=94 | | (2x+y)=55 | | -14x^2-47x-97=0 | | 3p=-16 | | 49.85+0.6m+9=93.23 | | 4n-6+4n+2=6+2n+2 | | 1.5+-0.5+y=5 | | 4=fish | | 64+3+Z=4(z-2) |

Equations solver categories