x^2+12x-7200=0

Simple and best practice solution for x^2+12x-7200=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 x^2+12x-7200=0 equation:


Simplifying
x2 + 12x + -7200 = 0

Reorder the terms:
-7200 + 12x + x2 = 0

Solving
-7200 + 12x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '7200' to each side of the equation.
-7200 + 12x + 7200 + x2 = 0 + 7200

Reorder the terms:
-7200 + 7200 + 12x + x2 = 0 + 7200

Combine like terms: -7200 + 7200 = 0
0 + 12x + x2 = 0 + 7200
12x + x2 = 0 + 7200

Combine like terms: 0 + 7200 = 7200
12x + x2 = 7200

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 = 7200 + 36

Reorder the terms:
36 + 12x + x2 = 7200 + 36

Combine like terms: 7200 + 36 = 7236
36 + 12x + x2 = 7236

Factor a perfect square on the left side:
(x + 6)(x + 6) = 7236

Calculate the square root of the right side: 85.064681273

Break this problem into two subproblems by setting 
(x + 6) equal to 85.064681273 and -85.064681273.

Subproblem 1

x + 6 = 85.064681273 Simplifying x + 6 = 85.064681273 Reorder the terms: 6 + x = 85.064681273 Solving 6 + x = 85.064681273 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 = 85.064681273 + -6 Combine like terms: 6 + -6 = 0 0 + x = 85.064681273 + -6 x = 85.064681273 + -6 Combine like terms: 85.064681273 + -6 = 79.064681273 x = 79.064681273 Simplifying x = 79.064681273

Subproblem 2

x + 6 = -85.064681273 Simplifying x + 6 = -85.064681273 Reorder the terms: 6 + x = -85.064681273 Solving 6 + x = -85.064681273 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 = -85.064681273 + -6 Combine like terms: 6 + -6 = 0 0 + x = -85.064681273 + -6 x = -85.064681273 + -6 Combine like terms: -85.064681273 + -6 = -91.064681273 x = -91.064681273 Simplifying x = -91.064681273

Solution

The solution to the problem is based on the solutions from the subproblems. x = {79.064681273, -91.064681273}

See similar equations:

| 5.8x-1.7=8.4 | | k/5=8/9 | | -6.5x-1.5=-27.5 | | 2x6y8/4x-2y-5 | | f(x)=5xln(6x)-5x | | -6x-3(-2)=-6 | | 2n^2-20n+48=0 | | ab+c=dx | | 7(x+1)=1 | | 2+Y+Y^2+y^4+Y^5+Y^12=12 | | (2/3)x-(5/9)x=3 | | 0=-5x^2+x+18 | | Dy=ydx | | (n+3)=40 | | ab-c=dx | | (a-2)*x^2=0 | | 50+8x=12x-3 | | 3(g+4)=g-1 | | 3(x-3)-6=o | | 6(x-3)/3=2(x+3)/7 | | 5x+4(2x+7)=15 | | 8y+4x=80 | | 0=-4x^2-8x+5 | | y+3x-2=0 | | 6x-13=71 | | -4j-(5)/7=13 | | 8(x+6)+2(3x-6)=50 | | 8(4k-4)=-5k+32solve | | 2x/5-7=33 | | 2-5x+7=-3x+8 | | 2x=6x-20 | | 14x-6+5*e^5*x=0 |

Equations solver categories