12x^2-54-30=0

Simple and best practice solution for 12x^2-54-30=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 12x^2-54-30=0 equation:


Simplifying
12x2 + -54 + -30 = 0

Reorder the terms:
-54 + -30 + 12x2 = 0

Combine like terms: -54 + -30 = -84
-84 + 12x2 = 0

Solving
-84 + 12x2 = 0

Solving for variable 'x'.

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

Add '84' to each side of the equation.
-84 + 84 + 12x2 = 0 + 84

Combine like terms: -84 + 84 = 0
0 + 12x2 = 0 + 84
12x2 = 0 + 84

Combine like terms: 0 + 84 = 84
12x2 = 84

Divide each side by '12'.
x2 = 7

Simplifying
x2 = 7

Take the square root of each side:
x = {-2.645751311, 2.645751311}

See similar equations:

| 0.3(x+60)+0.1x=22 | | 0.1x^2+8x-50=0 | | 6x-87=3x-9 | | 35(x-1)=-7(5-x)+28x | | D(x)=2964+5362x+5701 | | 2x-17=x-7 | | 5x+13=-95x-7x | | 9(t-2)+3t=4(3t+4)-10 | | 3+10m-2=5m+36-2m | | 4x+27=12x-37 | | 11=-1x | | 2x=6+x | | 97-3x=24x+19 | | 116-2x=16x+16 | | 100-2x=5x+23 | | -52-2=12-10x | | 29x^2-23x=0 | | 2x(45)= | | 3x+11=2x | | 9x+3=-195 | | 15x+6.5=10x | | 0.2(x+90)+x=54 | | 3x+15=2x+5 | | 3x=5x+7 | | 8k+70=-7k+10 | | 5+18y-3=9y+82-7y | | 25(x-1)=-5(5-x)+20x | | x^2-200x-50=0 | | 8(t-6)+7t=5(3t+5)-10 | | Y^3-4y^2+4y=0 | | 2(14x+2x^2)-80=0 | | 196=116+28x+2X^2 |

Equations solver categories