x^2+12x+11-2x+2=0

Simple and best practice solution for x^2+12x+11-2x+2=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+11-2x+2=0 equation:


Simplifying
x2 + 12x + 11 + -2x + 2 = 0

Reorder the terms:
11 + 2 + 12x + -2x + x2 = 0

Combine like terms: 11 + 2 = 13
13 + 12x + -2x + x2 = 0

Combine like terms: 12x + -2x = 10x
13 + 10x + x2 = 0

Solving
13 + 10x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-13' to each side of the equation.
13 + 10x + -13 + x2 = 0 + -13

Reorder the terms:
13 + -13 + 10x + x2 = 0 + -13

Combine like terms: 13 + -13 = 0
0 + 10x + x2 = 0 + -13
10x + x2 = 0 + -13

Combine like terms: 0 + -13 = -13
10x + x2 = -13

The x term is 10x.  Take half its coefficient (5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
10x + 25 + x2 = -13 + 25

Reorder the terms:
25 + 10x + x2 = -13 + 25

Combine like terms: -13 + 25 = 12
25 + 10x + x2 = 12

Factor a perfect square on the left side:
(x + 5)(x + 5) = 12

Calculate the square root of the right side: 3.464101615

Break this problem into two subproblems by setting 
(x + 5) equal to 3.464101615 and -3.464101615.

Subproblem 1

x + 5 = 3.464101615 Simplifying x + 5 = 3.464101615 Reorder the terms: 5 + x = 3.464101615 Solving 5 + x = 3.464101615 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 3.464101615 + -5 Combine like terms: 5 + -5 = 0 0 + x = 3.464101615 + -5 x = 3.464101615 + -5 Combine like terms: 3.464101615 + -5 = -1.535898385 x = -1.535898385 Simplifying x = -1.535898385

Subproblem 2

x + 5 = -3.464101615 Simplifying x + 5 = -3.464101615 Reorder the terms: 5 + x = -3.464101615 Solving 5 + x = -3.464101615 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = -3.464101615 + -5 Combine like terms: 5 + -5 = 0 0 + x = -3.464101615 + -5 x = -3.464101615 + -5 Combine like terms: -3.464101615 + -5 = -8.464101615 x = -8.464101615 Simplifying x = -8.464101615

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-1.535898385, -8.464101615}

See similar equations:

| 6s^2+18s=0factors | | 9x^3+9x^2-13x-5=0 | | -3(x+2)+3=7(x+4)+6 | | 1+5(-8)=10-3(x-4) | | (x-3)/8=12 | | -y=3x-6 | | 5(x-4)=3x+5 | | 2/3b-5=4 | | 2y+5x-6y-24=-12-4y+3 | | x^2+7x=0factors | | x^2+7=0factors | | Cos(x)=2*cos(2x) | | x(x+1)=14000 | | 3z=20+z | | 8=-28-2e | | 201576/x=118,5 | | (x^2)+x=14000 | | y+xy=1 | | 150m+45-24m-12=100m+200 | | h=16t^2+128t+4 | | 40x^2+67x-28=0 | | (X^2+3x-12)+(5x^2-8x+7)=0 | | 1/1=x/33 | | x/18=8/9 | | 0.6x+9.9=7.8 | | 8q+52+21q+14=588 | | (2x^5y^2-11xy+8x)+(3x^2y^5+6xy-4x)=0 | | 16t^2+60t+5=0 | | 70m= | | 12=4+23t+16t^2 | | 12=4+23x+16t^2 | | x^2+y^2+Dx+Ey+F=0 |

Equations solver categories