(x+6)(x+6)-11=0

Simple and best practice solution for (x+6)(x+6)-11=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+6)(x+6)-11=0 equation:


Simplifying
(x + 6)(x + 6) + -11 = 0

Reorder the terms:
(6 + x)(x + 6) + -11 = 0

Reorder the terms:
(6 + x)(6 + x) + -11 = 0

Multiply (6 + x) * (6 + x)
(6(6 + x) + x(6 + x)) + -11 = 0
((6 * 6 + x * 6) + x(6 + x)) + -11 = 0
((36 + 6x) + x(6 + x)) + -11 = 0
(36 + 6x + (6 * x + x * x)) + -11 = 0
(36 + 6x + (6x + x2)) + -11 = 0

Combine like terms: 6x + 6x = 12x
(36 + 12x + x2) + -11 = 0

Reorder the terms:
36 + -11 + 12x + x2 = 0

Combine like terms: 36 + -11 = 25
25 + 12x + x2 = 0

Solving
25 + 12x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-25' to each side of the equation.
25 + 12x + -25 + x2 = 0 + -25

Reorder the terms:
25 + -25 + 12x + x2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 12x + x2 = 0 + -25
12x + x2 = 0 + -25

Combine like terms: 0 + -25 = -25
12x + x2 = -25

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 = -25 + 36

Reorder the terms:
36 + 12x + x2 = -25 + 36

Combine like terms: -25 + 36 = 11
36 + 12x + x2 = 11

Factor a perfect square on the left side:
(x + 6)(x + 6) = 11

Calculate the square root of the right side: 3.31662479

Break this problem into two subproblems by setting 
(x + 6) equal to 3.31662479 and -3.31662479.

Subproblem 1

x + 6 = 3.31662479 Simplifying x + 6 = 3.31662479 Reorder the terms: 6 + x = 3.31662479 Solving 6 + x = 3.31662479 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 = 3.31662479 + -6 Combine like terms: 6 + -6 = 0 0 + x = 3.31662479 + -6 x = 3.31662479 + -6 Combine like terms: 3.31662479 + -6 = -2.68337521 x = -2.68337521 Simplifying x = -2.68337521

Subproblem 2

x + 6 = -3.31662479 Simplifying x + 6 = -3.31662479 Reorder the terms: 6 + x = -3.31662479 Solving 6 + x = -3.31662479 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 = -3.31662479 + -6 Combine like terms: 6 + -6 = 0 0 + x = -3.31662479 + -6 x = -3.31662479 + -6 Combine like terms: -3.31662479 + -6 = -9.31662479 x = -9.31662479 Simplifying x = -9.31662479

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-2.68337521, -9.31662479}

See similar equations:

| 12-20y=20 | | (y-1)(y-1)=16 | | 3(p-1)=4(2p+7) | | 5(5+x)=3(x+7) | | 8+5x+6(10x)=608+5x | | 2x=52 | | 8y^2+22y-21= | | 2*x^2-2x-66=7 | | u^2=98 | | 2*x-66=7 | | 11x^2+7x=0 | | 3+5=z | | 67=(x)(.5x) | | (-2x^2+6x+1)-2(4x^2-3x+1)= | | n=.03x-58.19 | | 5xy+3x-2xy= | | 6+2x=30 | | 114x-227500=I | | 2x+3=2(x+3) | | -.9=.6x | | 6p+6=8+5p | | 2x+1=-1+6x+10 | | 91-73=27y-36y | | 4(3x+2)=0 | | 8m=0 | | 12-4x=24 | | (5n-1)(7n-10)=0 | | -18=9x | | 1780=.04x | | 6w+3w^2=144 | | 520=200x | | 13n-25+4=176 |

Equations solver categories