x(x)+2x-116=0

Simple and best practice solution for x(x)+2x-116=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(x)+2x-116=0 equation:


Simplifying
x(x) + 2x + -116 = 0

Multiply x * x
x2 + 2x + -116 = 0

Reorder the terms:
-116 + 2x + x2 = 0

Solving
-116 + 2x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '116' to each side of the equation.
-116 + 2x + 116 + x2 = 0 + 116

Reorder the terms:
-116 + 116 + 2x + x2 = 0 + 116

Combine like terms: -116 + 116 = 0
0 + 2x + x2 = 0 + 116
2x + x2 = 0 + 116

Combine like terms: 0 + 116 = 116
2x + x2 = 116

The x term is 2x.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2x + 1 + x2 = 116 + 1

Reorder the terms:
1 + 2x + x2 = 116 + 1

Combine like terms: 116 + 1 = 117
1 + 2x + x2 = 117

Factor a perfect square on the left side:
(x + 1)(x + 1) = 117

Calculate the square root of the right side: 10.816653826

Break this problem into two subproblems by setting 
(x + 1) equal to 10.816653826 and -10.816653826.

Subproblem 1

x + 1 = 10.816653826 Simplifying x + 1 = 10.816653826 Reorder the terms: 1 + x = 10.816653826 Solving 1 + x = 10.816653826 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 10.816653826 + -1 Combine like terms: 1 + -1 = 0 0 + x = 10.816653826 + -1 x = 10.816653826 + -1 Combine like terms: 10.816653826 + -1 = 9.816653826 x = 9.816653826 Simplifying x = 9.816653826

Subproblem 2

x + 1 = -10.816653826 Simplifying x + 1 = -10.816653826 Reorder the terms: 1 + x = -10.816653826 Solving 1 + x = -10.816653826 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = -10.816653826 + -1 Combine like terms: 1 + -1 = 0 0 + x = -10.816653826 + -1 x = -10.816653826 + -1 Combine like terms: -10.816653826 + -1 = -11.816653826 x = -11.816653826 Simplifying x = -11.816653826

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.816653826, -11.816653826}

See similar equations:

| .00000413= | | xsquared-6x+8=0 | | (F-32)0.56=110 | | n=t1-t2/t1 | | h+9=-3 | | (110f-32)0.56=c | | 13x+4y=55 | | -7y^2+4y-1=0 | | 6x=102 | | y+4(-3)=5 | | -9^1/2+20=0 | | 36x=72 | | 3(x-6)(x+1)+40=x(3x-1) | | -10+x=15 | | 4.234*1000= | | -x^2=-4x+4 | | 4.234*100= | | 32x^4y^7/40x^5y^8 | | 7x-11=27-12x | | 3x-7=5-4x | | -x+4=10 | | 8240/16-x | | 5x-9-3x-2=21 | | a+2a-b+c+3b= | | 10(n+2)= | | 2p^2=7p-6 | | 8k+4l+2= | | 34x=35+85 | | -7n+5n= | | n/8-1=-11 | | d+e-2d+2e-3d= | | x^2-x-4=16 |

Equations solver categories