x^2+6x-22=0

Simple and best practice solution for x^2+6x-22=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+6x-22=0 equation:


Simplifying
x2 + 6x + -22 = 0

Reorder the terms:
-22 + 6x + x2 = 0

Solving
-22 + 6x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '22' to each side of the equation.
-22 + 6x + 22 + x2 = 0 + 22

Reorder the terms:
-22 + 22 + 6x + x2 = 0 + 22

Combine like terms: -22 + 22 = 0
0 + 6x + x2 = 0 + 22
6x + x2 = 0 + 22

Combine like terms: 0 + 22 = 22
6x + x2 = 22

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 = 22 + 9

Reorder the terms:
9 + 6x + x2 = 22 + 9

Combine like terms: 22 + 9 = 31
9 + 6x + x2 = 31

Factor a perfect square on the left side:
(x + 3)(x + 3) = 31

Calculate the square root of the right side: 5.567764363

Break this problem into two subproblems by setting 
(x + 3) equal to 5.567764363 and -5.567764363.

Subproblem 1

x + 3 = 5.567764363 Simplifying x + 3 = 5.567764363 Reorder the terms: 3 + x = 5.567764363 Solving 3 + x = 5.567764363 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 = 5.567764363 + -3 Combine like terms: 3 + -3 = 0 0 + x = 5.567764363 + -3 x = 5.567764363 + -3 Combine like terms: 5.567764363 + -3 = 2.567764363 x = 2.567764363 Simplifying x = 2.567764363

Subproblem 2

x + 3 = -5.567764363 Simplifying x + 3 = -5.567764363 Reorder the terms: 3 + x = -5.567764363 Solving 3 + x = -5.567764363 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 = -5.567764363 + -3 Combine like terms: 3 + -3 = 0 0 + x = -5.567764363 + -3 x = -5.567764363 + -3 Combine like terms: -5.567764363 + -3 = -8.567764363 x = -8.567764363 Simplifying x = -8.567764363

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.567764363, -8.567764363}

See similar equations:

| 7+p=7 | | 2x+12=3-x | | 3x^2-5x+19=0 | | 3x+1=2x+11 | | -6x=30 | | k-10=3 | | 2x-1=x+7 | | 5a+5b-2a= | | a^2+18a=0 | | 5x-8=4x-1 | | y=3x^2-24x+51 | | 2(a+8)= | | -3p+7=6-(8p+8) | | 9x+3=7x+17 | | 12m^2-24m=0 | | 3(1+2x)=11(x-2) | | 6*x^2-8*x-3=0 | | 128-4x=4x+16 | | 10-x=4-7x | | -9-6x=7-8x | | 4(x-7)=-13.2 | | 3x+3=2x+11 | | 137-6x=39x+22 | | 3n^2-11n+10=0 | | -0.5+2r=0.5r+8.5 | | 14-3x=2x+4 | | 2x+4-1=13 | | 7x-4y=15 | | (y-9)(y-11)=0 | | X+(.2*X)=452 | | 3x-4=11x-68 | | X-(.2*X)=452 |

Equations solver categories