1-6x-x^2=0

Simple and best practice solution for 1-6x-x^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 1-6x-x^2=0 equation:


Simplifying
1 + -6x + -1x2 = 0

Solving
1 + -6x + -1x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-1 + 6x + x2 = 0

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:

| 5x-10=12+3x | | 30a=3.5 | | -9mn^2/3m^4n | | 9y^6/27y^4 | | 8q^2-10q+3=0factored | | 60-2x=22 | | 10x^3(6x^2-5x+2y)=0 | | 5/6=n/16 | | 8x+10=2x-7 | | H(50)=2.59f+47.24 | | x^2+4x=-32 | | .9q^2-6q+90=.3q^2-3q+90 | | 4z-7=z+11 | | 0.02-0.01(x+1)=-0.05(1-x) | | 2/6=7/× | | (.6q-3)q=0 | | z+2+7z-8+90=180 | | 6x+12=34-10 | | (3x-5)(4x+8)=0 | | 10/2d | | (-2y^3/5)^2 | | -(4g-20)-8=28 | | -9x+5x-8x=0 | | 30k=7 | | 9x=130-22 | | -5(e-10e)=30e+15 | | 2(5x-8)-7=4(1-2x)-3(X+2) | | 9x+2x+11=44 | | 4s-15s=33 | | -14a+2=40-2(4a+1) | | 0.4y+3=1.2y-9 | | 8z+14z=88 |

Equations solver categories