113-12x=-3x^2

Simple and best practice solution for 113-12x=-3x^2 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 113-12x=-3x^2 equation:


Simplifying
113 + -12x = -3x2

Solving
113 + -12x = -3x2

Solving for variable 'x'.

Combine like terms: -3x2 + 3x2 = 0
113 + -12x + 3x2 = 0

Begin completing the square.  Divide all terms by
3 the coefficient of the squared term: 

Divide each side by '3'.
37.66666667 + -4x + x2 = 0

Move the constant term to the right:

Add '-37.66666667' to each side of the equation.
37.66666667 + -4x + -37.66666667 + x2 = 0 + -37.66666667

Reorder the terms:
37.66666667 + -37.66666667 + -4x + x2 = 0 + -37.66666667

Combine like terms: 37.66666667 + -37.66666667 = 0.00000000
0.00000000 + -4x + x2 = 0 + -37.66666667
-4x + x2 = 0 + -37.66666667

Combine like terms: 0 + -37.66666667 = -37.66666667
-4x + x2 = -37.66666667

The x term is -4x.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x + 4 + x2 = -37.66666667 + 4

Reorder the terms:
4 + -4x + x2 = -37.66666667 + 4

Combine like terms: -37.66666667 + 4 = -33.66666667
4 + -4x + x2 = -33.66666667

Factor a perfect square on the left side:
(x + -2)(x + -2) = -33.66666667

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -8sin(x)cos(x)=0 | | [7-5x^2]=18 | | 3(64)+15=5y-6 | | -14(p+1)+4(p-7)=3p-p | | 6x-10/2x-5 | | -4(3x+2)-x=44 | | 44=.5(x-65) | | -6(5x-5)+3x=84 | | 15y=14(y+15) | | 76/16 | | (a-16)/(16-a) | | 76/4*4= | | 56.10*4.34= | | a=(3y+1)25 | | 3m+11=4m-11 | | x^2+5x-9=79 | | 3(x-3)+7x=71 | | Log(x+28)=2 | | 26+8=4 | | 49-y^2/y-7 | | ln(5-2x)-9=0 | | x+(4x+50)=180 | | 6x-36/18 | | 3d-5=7d+7 | | log(x)+log(4x)=10 | | 2x+(-15)=15 | | 6x-15=4x+35 | | 16x-15=4x+35 | | -12+76=2x+6 | | (3y+1)(25)=0 | | 5/6÷3/10 | | 365-(8*7)*5= |

Equations solver categories