0=3x^2+36x-100

Simple and best practice solution for 0=3x^2+36x-100 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 0=3x^2+36x-100 equation:


Simplifying
0 = 3x2 + 36x + -100

Reorder the terms:
0 = -100 + 36x + 3x2

Solving
0 = -100 + 36x + 3x2

Solving for variable 'x'.

Combine like terms: 0 + 100 = 100
100 + -36x + -3x2 = -100 + 36x + 3x2 + 100 + -36x + -3x2

Reorder the terms:
100 + -36x + -3x2 = -100 + 100 + 36x + -36x + 3x2 + -3x2

Combine like terms: -100 + 100 = 0
100 + -36x + -3x2 = 0 + 36x + -36x + 3x2 + -3x2
100 + -36x + -3x2 = 36x + -36x + 3x2 + -3x2

Combine like terms: 36x + -36x = 0
100 + -36x + -3x2 = 0 + 3x2 + -3x2
100 + -36x + -3x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
100 + -36x + -3x2 = 0

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

Divide each side by '-3'.
-33.33333333 + 12x + x2 = 0

Move the constant term to the right:

Add '33.33333333' to each side of the equation.
-33.33333333 + 12x + 33.33333333 + x2 = 0 + 33.33333333

Reorder the terms:
-33.33333333 + 33.33333333 + 12x + x2 = 0 + 33.33333333

Combine like terms: -33.33333333 + 33.33333333 = 0.00000000
0.00000000 + 12x + x2 = 0 + 33.33333333
12x + x2 = 0 + 33.33333333

Combine like terms: 0 + 33.33333333 = 33.33333333
12x + x2 = 33.33333333

The x term is 12x.  Take half its coefficient (6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
12x + 36 + x2 = 33.33333333 + 36

Reorder the terms:
36 + 12x + x2 = 33.33333333 + 36

Combine like terms: 33.33333333 + 36 = 69.33333333
36 + 12x + x2 = 69.33333333

Factor a perfect square on the left side:
(x + 6)(x + 6) = 69.33333333

Calculate the square root of the right side: 8.326663998

Break this problem into two subproblems by setting 
(x + 6) equal to 8.326663998 and -8.326663998.

Subproblem 1

x + 6 = 8.326663998 Simplifying x + 6 = 8.326663998 Reorder the terms: 6 + x = 8.326663998 Solving 6 + x = 8.326663998 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 + x = 8.326663998 + -6 Combine like terms: 6 + -6 = 0 0 + x = 8.326663998 + -6 x = 8.326663998 + -6 Combine like terms: 8.326663998 + -6 = 2.326663998 x = 2.326663998 Simplifying x = 2.326663998

Subproblem 2

x + 6 = -8.326663998 Simplifying x + 6 = -8.326663998 Reorder the terms: 6 + x = -8.326663998 Solving 6 + x = -8.326663998 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 + x = -8.326663998 + -6 Combine like terms: 6 + -6 = 0 0 + x = -8.326663998 + -6 x = -8.326663998 + -6 Combine like terms: -8.326663998 + -6 = -14.326663998 x = -14.326663998 Simplifying x = -14.326663998

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.326663998, -14.326663998}

See similar equations:

| 4x^2+39x-24=0 | | 42=2*9+2w | | (2x+3)(3x-1)=(x+8)(6x+3) | | -177+9x=63-7x | | 3x(x/12) | | 8400=100+x*50+x | | 83/5-4/5 | | 4(t-8)+20= | | (x^2-4)(x-3)=0 | | -m^2-10m-6=0 | | (3X-1)/4=(2X-3) | | -3(-7x+8)=-192 | | -186-6x=13+4x | | 2x^2-5=28 | | 21xt-24=-192 | | 14p=4p+10 | | 4x+5=-6x+45 | | -24-7x=-2x+36 | | (1/4ab^2)^0 | | y-6=1/2x | | 2-1-4+2= | | 7/6=x/4 | | 30=2/5p | | 2[-1-4]+2= | | 12/6=y/4 | | 3/2b=9/4 | | 3sinx=x | | 18+15+x+15+18=93 | | 12/6=y/5 | | x(x+6)(x-9)=0 | | f/7-2=2 | | (x-y)/(w-y) |

Equations solver categories