x^2-6x-3=0

Simple and best practice solution for x^2-6x-3=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-3=0 equation:


Simplifying
x2 + -6x + -3 = 0

Reorder the terms:
-3 + -6x + x2 = 0

Solving
-3 + -6x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '3' to each side of the equation.
-3 + -6x + 3 + x2 = 0 + 3

Reorder the terms:
-3 + 3 + -6x + x2 = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -6x + x2 = 0 + 3
-6x + x2 = 0 + 3

Combine like terms: 0 + 3 = 3
-6x + x2 = 3

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 = 3 + 9

Reorder the terms:
9 + -6x + x2 = 3 + 9

Combine like terms: 3 + 9 = 12
9 + -6x + x2 = 12

Factor a perfect square on the left side:
(x + -3)(x + -3) = 12

Calculate the square root of the right side: 3.464101615

Break this problem into two subproblems by setting 
(x + -3) equal to 3.464101615 and -3.464101615.

Subproblem 1

x + -3 = 3.464101615 Simplifying x + -3 = 3.464101615 Reorder the terms: -3 + x = 3.464101615 Solving -3 + x = 3.464101615 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 = 3.464101615 + 3 Combine like terms: -3 + 3 = 0 0 + x = 3.464101615 + 3 x = 3.464101615 + 3 Combine like terms: 3.464101615 + 3 = 6.464101615 x = 6.464101615 Simplifying x = 6.464101615

Subproblem 2

x + -3 = -3.464101615 Simplifying x + -3 = -3.464101615 Reorder the terms: -3 + x = -3.464101615 Solving -3 + x = -3.464101615 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 = -3.464101615 + 3 Combine like terms: -3 + 3 = 0 0 + x = -3.464101615 + 3 x = -3.464101615 + 3 Combine like terms: -3.464101615 + 3 = -0.464101615 x = -0.464101615 Simplifying x = -0.464101615

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.464101615, -0.464101615}

See similar equations:

| 2a-7a+4a+9a= | | t^2=4t-4 | | t(t-3)=28 | | y-12=15 | | 2m^2+3=6m | | f-2f-7-2-2f=0 | | (4y-1)(y+2)=0 | | 19=15+2(x-3) | | 5x^2+2=2x | | x^2-10x-3=0 | | p-2p-5+7p=3-2p | | 0=5g+9-8g-18 | | x^2+8=4x | | -a-2a+4-4a=7-3a | | t(t-4)=32 | | -5-x-2+7x=3-4x | | a^2=6a-9 | | a^2+14a=0 | | -2y-4-y=-y+2+3y | | 2(5-3v)+9v=29 | | s^2+7s-18=0 | | 2x^2+1=4x | | 4x+3y=12 | | 4x-5+2x=3x-4+x | | 7+7d+2=4d | | 10x^2-10x=0 | | 12x+4=2(6x+4) | | x+3-5-2x=x-3-7x | | x^2-13x=130 | | 2x+y=1 | | 4n+6=3n+10+n-2 | | 2x+4y-6=0 |

Equations solver categories