x^2+6x=231.125

Simple and best practice solution for x^2+6x=231.125 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+6x=231.125 equation:


Simplifying
x2 + 6x = 231.125

Reorder the terms:
6x + x2 = 231.125

Solving
6x + x2 = 231.125

Solving for variable 'x'.

Reorder the terms:
-231.125 + 6x + x2 = 231.125 + -231.125

Combine like terms: 231.125 + -231.125 = 0.000
-231.125 + 6x + x2 = 0.000

Begin completing the square.

Move the constant term to the right:

Add '231.125' to each side of the equation.
-231.125 + 6x + 231.125 + x2 = 0.000 + 231.125

Reorder the terms:
-231.125 + 231.125 + 6x + x2 = 0.000 + 231.125

Combine like terms: -231.125 + 231.125 = 0.000
0.000 + 6x + x2 = 0.000 + 231.125
6x + x2 = 0.000 + 231.125

Combine like terms: 0.000 + 231.125 = 231.125
6x + x2 = 231.125

The x term is 6x.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6x + 9 + x2 = 231.125 + 9

Reorder the terms:
9 + 6x + x2 = 231.125 + 9

Combine like terms: 231.125 + 9 = 240.125
9 + 6x + x2 = 240.125

Factor a perfect square on the left side:
(x + 3)(x + 3) = 240.125

Calculate the square root of the right side: 15.495967217

Break this problem into two subproblems by setting 
(x + 3) equal to 15.495967217 and -15.495967217.

Subproblem 1

x + 3 = 15.495967217 Simplifying x + 3 = 15.495967217 Reorder the terms: 3 + x = 15.495967217 Solving 3 + x = 15.495967217 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 15.495967217 + -3 Combine like terms: 3 + -3 = 0 0 + x = 15.495967217 + -3 x = 15.495967217 + -3 Combine like terms: 15.495967217 + -3 = 12.495967217 x = 12.495967217 Simplifying x = 12.495967217

Subproblem 2

x + 3 = -15.495967217 Simplifying x + 3 = -15.495967217 Reorder the terms: 3 + x = -15.495967217 Solving 3 + x = -15.495967217 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = -15.495967217 + -3 Combine like terms: 3 + -3 = 0 0 + x = -15.495967217 + -3 x = -15.495967217 + -3 Combine like terms: -15.495967217 + -3 = -18.495967217 x = -18.495967217 Simplifying x = -18.495967217

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.495967217, -18.495967217}

See similar equations:

| 16t^2-96t-8=0 | | 15x-52x-32=0 | | 7x-2(-3)=-22 | | 7x+4(x+2200)=209 | | 7x-2y=-22 | | 42+12v=426 | | 2x=-3+2 | | 18m-77=509 | | 2r-13=95 | | -16t^2+96+112=0 | | 3a-7=26 | | 3x^2+16x-144=0 | | Ay+z=am-ny | | m^2-16=0 | | 109-2t=47 | | (5a-4)+(-8a+2)= | | 109-2t=4 | | 2-2t=1.2 | | 4x+3(2x-5)=12x+20 | | -a+3.25=8.20 | | 18-3p=7.8 | | 3x^2+8x-156=0 | | -a+3.14=8.20 | | x^2-36x+330=0 | | 9-2(3x+1)=18+2x-6 | | 6x+1=2x-14 | | (x)-5=7 | | 4+(-2x+1)+3(x-2)=13 | | 4x-3+2x=8x-18 | | 1.25y=0.5y | | X^2-12x+20=x^2 | | 3a^2+9a+18=0 |

Equations solver categories