x^2-5x-1200=0

Simple and best practice solution for x^2-5x-1200=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^2-5x-1200=0 equation:


Simplifying
x2 + -5x + -1200 = 0

Reorder the terms:
-1200 + -5x + x2 = 0

Solving
-1200 + -5x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '1200' to each side of the equation.
-1200 + -5x + 1200 + x2 = 0 + 1200

Reorder the terms:
-1200 + 1200 + -5x + x2 = 0 + 1200

Combine like terms: -1200 + 1200 = 0
0 + -5x + x2 = 0 + 1200
-5x + x2 = 0 + 1200

Combine like terms: 0 + 1200 = 1200
-5x + x2 = 1200

The x term is -5x.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5x + 6.25 + x2 = 1200 + 6.25

Reorder the terms:
6.25 + -5x + x2 = 1200 + 6.25

Combine like terms: 1200 + 6.25 = 1206.25
6.25 + -5x + x2 = 1206.25

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = 1206.25

Calculate the square root of the right side: 34.731109974

Break this problem into two subproblems by setting 
(x + -2.5) equal to 34.731109974 and -34.731109974.

Subproblem 1

x + -2.5 = 34.731109974 Simplifying x + -2.5 = 34.731109974 Reorder the terms: -2.5 + x = 34.731109974 Solving -2.5 + x = 34.731109974 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + x = 34.731109974 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = 34.731109974 + 2.5 x = 34.731109974 + 2.5 Combine like terms: 34.731109974 + 2.5 = 37.231109974 x = 37.231109974 Simplifying x = 37.231109974

Subproblem 2

x + -2.5 = -34.731109974 Simplifying x + -2.5 = -34.731109974 Reorder the terms: -2.5 + x = -34.731109974 Solving -2.5 + x = -34.731109974 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + x = -34.731109974 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = -34.731109974 + 2.5 x = -34.731109974 + 2.5 Combine like terms: -34.731109974 + 2.5 = -32.231109974 x = -32.231109974 Simplifying x = -32.231109974

Solution

The solution to the problem is based on the solutions from the subproblems. x = {37.231109974, -32.231109974}

See similar equations:

| x-4(x-3)=3-61 | | 3+2x=-2x+1 | | 5.1x+2=2.6x-3 | | x^2-5x+1200=0 | | 4-r=36 | | 6=3-2x | | 2x+3(30-x)=60 | | 6xz+x+z=0 | | (4-y)(5y-3)=0 | | -4-4x+3=-14x+9-4x | | 3p-7-2=3 | | 6x-16=8x-6 | | 6x+8=4(2x+3)+4 | | X-2(2x+1)=3(1-x) | | (2x-3)-(7x-4)= | | 4y-2x=7 | | 2.75X=2.1X+60 | | 4(8+3v)+4v= | | -2y+4x=7 | | 144x+28=143x-49 | | (x+3)(x+3)=35 | | 11x^2+11= | | 15+6=8y-5y | | 1+x=-x+5 | | (x-3)(x-3)=35 | | 56x-2=6 | | 2.4+y=12.6 | | 2x+10=-33 | | (w-3)(w-3)=9-2w | | (X+1)(k-5)=0 | | 9u+3=8u-4 | | (-6x+7)+(19x-1)= |

Equations solver categories