x^2-12x+26=0

Simple and best practice solution for x^2-12x+26=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+26=0 equation:


Simplifying
x2 + -12x + 26 = 0

Reorder the terms:
26 + -12x + x2 = 0

Solving
26 + -12x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-26' to each side of the equation.
26 + -12x + -26 + x2 = 0 + -26

Reorder the terms:
26 + -26 + -12x + x2 = 0 + -26

Combine like terms: 26 + -26 = 0
0 + -12x + x2 = 0 + -26
-12x + x2 = 0 + -26

Combine like terms: 0 + -26 = -26
-12x + x2 = -26

The x term is -12x.  Take half its coefficient (-6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
-12x + 36 + x2 = -26 + 36

Reorder the terms:
36 + -12x + x2 = -26 + 36

Combine like terms: -26 + 36 = 10
36 + -12x + x2 = 10

Factor a perfect square on the left side:
(x + -6)(x + -6) = 10

Calculate the square root of the right side: 3.16227766

Break this problem into two subproblems by setting 
(x + -6) equal to 3.16227766 and -3.16227766.

Subproblem 1

x + -6 = 3.16227766 Simplifying x + -6 = 3.16227766 Reorder the terms: -6 + x = 3.16227766 Solving -6 + x = 3.16227766 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = 3.16227766 + 6 Combine like terms: -6 + 6 = 0 0 + x = 3.16227766 + 6 x = 3.16227766 + 6 Combine like terms: 3.16227766 + 6 = 9.16227766 x = 9.16227766 Simplifying x = 9.16227766

Subproblem 2

x + -6 = -3.16227766 Simplifying x + -6 = -3.16227766 Reorder the terms: -6 + x = -3.16227766 Solving -6 + x = -3.16227766 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = -3.16227766 + 6 Combine like terms: -6 + 6 = 0 0 + x = -3.16227766 + 6 x = -3.16227766 + 6 Combine like terms: -3.16227766 + 6 = 2.83772234 x = 2.83772234 Simplifying x = 2.83772234

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.16227766, 2.83772234}

See similar equations:

| 2a-2b=-5 | | 15(x-6)=-6-9 | | 17x-5y=1 | | 7q+2q+3q-7= | | 6-9x=44-16x | | 5x^2-7x=6 | | (2+U)(2u-7)=0 | | 6x^2=162 | | 18xy^2= | | 8n+24=11p+3 | | 5(2x+y)-(3x-y)=z | | y^2-10y+29=0 | | 6.2-4.3+(-21)= | | 5x^2=-23x-12 | | (5x+3)=(3x+7) | | B^2-17b+30=0 | | 1.25x+.125=.375+x | | x^2+x-8=0 | | ln(2x+1)+ln(x-1)-2lnx=0 | | 4y+13=-13 | | 2v^2+6=-7v | | 2x(x+3)=4 | | 5(2x+y)-(3x-y)=x | | 3x^2-10x-15=0 | | 6x^2-48x+18=0 | | -9+b=7 | | 3r^2-7r=6 | | F-12=8 | | 24(p^2-1)=55p | | 0.23y-0.5=0.13+3-0.6y | | x^2+14x+49=-17 | | 7X^2+32+36=0 |

Equations solver categories