x^2+6x-1=

Simple and best practice solution for x^2+6x-1= 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-1= equation:


Simplifying
x2 + 6x + -1 = 0

Reorder the terms:
-1 + 6x + x2 = 0

Solving
-1 + 6x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '1' to each side of the equation.
-1 + 6x + 1 + x2 = 0 + 1

Reorder the terms:
-1 + 1 + 6x + x2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 6x + x2 = 0 + 1
6x + x2 = 0 + 1

Combine like terms: 0 + 1 = 1
6x + x2 = 1

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 = 1 + 9

Reorder the terms:
9 + 6x + x2 = 1 + 9

Combine like terms: 1 + 9 = 10
9 + 6x + x2 = 10

Factor a perfect square on the left side:
(x + 3)(x + 3) = 10

Calculate the square root of the right side: 3.16227766

Break this problem into two subproblems by setting 
(x + 3) equal to 3.16227766 and -3.16227766.

Subproblem 1

x + 3 = 3.16227766 Simplifying x + 3 = 3.16227766 Reorder the terms: 3 + x = 3.16227766 Solving 3 + x = 3.16227766 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 = 3.16227766 + -3 Combine like terms: 3 + -3 = 0 0 + x = 3.16227766 + -3 x = 3.16227766 + -3 Combine like terms: 3.16227766 + -3 = 0.16227766 x = 0.16227766 Simplifying x = 0.16227766

Subproblem 2

x + 3 = -3.16227766 Simplifying x + 3 = -3.16227766 Reorder the terms: 3 + x = -3.16227766 Solving 3 + x = -3.16227766 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 = -3.16227766 + -3 Combine like terms: 3 + -3 = 0 0 + x = -3.16227766 + -3 x = -3.16227766 + -3 Combine like terms: -3.16227766 + -3 = -6.16227766 x = -6.16227766 Simplifying x = -6.16227766

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.16227766, -6.16227766}

See similar equations:

| 5(-4+6r)= | | 4(x+3)+(5x)=9(x+9)-5 | | 2.8=-5.5a-(-9a+0.2) | | 22=(y-10)+(z+3)+(x-4) | | 3(4m+3)=2m-11 | | 3(w-4)-(7w-8)=-5w | | 26+x=x+23+14+x | | 5+2x-3(x-4)=13 | | 10y-(2y-2)=26 | | -112=6n+8 | | 10(2x+7)-3(4-4x)=6(9x+1) | | 7(5+6s)-3= | | [6x-5]-3=-2 | | 9/5(-5)+32 | | 37=2y+17 | | -2(6-5)+(-4)(6)= | | v/3=11 | | -56+x=-6x+77 | | -14-6x+7-2x=1+5x | | -(8m+4)=4m-2(6m+2a-4) | | R=(c-s)/t | | d/60=d/40+1 | | 3x^2+16h-3584=0 | | .5b+4=2(6+2) | | 1x-2y=9 | | -2+3=18 | | d/60 | | X+15=25+12x | | 4(1/2t-5) | | (2x-4)/(x+6)=(-2/15) | | 5b+4=2(6+2) | | -1-7y=6 |

Equations solver categories