6-3x^2=-72

Simple and best practice solution for 6-3x^2=-72 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 6-3x^2=-72 equation: 


Simplifying
6 + -3x2 = -72

Solving
6 + -3x2 = -72

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 + -3x2 = -72 + -6

Combine like terms: 6 + -6 = 0
0 + -3x2 = -72 + -6
-3x2 = -72 + -6

Combine like terms: -72 + -6 = -78
-3x2 = -78

Divide each side by '-3'.
x2 = 26

Simplifying
x2 = 26

Take the square root of each side:
x = {-5.099019514, 5.099019514}

See similar equations:

| 7/6 | | 2(5/2)+y=5 | | 5/7m-2-6/7m--13 | | 10u-2u=56 | | 3x^2y^2+5xy+4= | | 3(15/11)-2y=5 | | 2a-8=10-3a | | 2z^2+z-2=3z-7 | | 5d-17=2(d+5) | | 37-4x=32-3x | | x^2+14x+49=144 | | 7(w-6)-6=-5(-5w+6)-3w | | y=-2(2.3)+2.5 | | 5x+3-3x=9-x | | 2+y=19 | | x-6(-2x+2.5)=15 | | 4+8x=-24 | | 1.844=0.8193x-0.7785 | | 2x-7y=37 | | G+5=g-10 | | 3z+8=23 | | 1.927=0.8193x-0.7785 | | -5(x+7)=3x-3 | | 1.25=0.8193x-0.7785 | | x^2+kx+k^2=0 | | (8x)*(7y)= | | 47-17=5(x-2) | | (8x)x(7y)= | | x=0.8193y-0.7785 | | -12n+4=-8n-16 | | y=0.8193x-0.7785 | | 3x-9=10x-5 |

Equations solver categories