(x-7)(x-7)-11=0

Simple and best practice solution for (x-7)(x-7)-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-7)(x-7)-11=0 equation:


Simplifying
(x + -7)(x + -7) + -11 = 0

Reorder the terms:
(-7 + x)(x + -7) + -11 = 0

Reorder the terms:
(-7 + x)(-7 + x) + -11 = 0

Multiply (-7 + x) * (-7 + x)
(-7(-7 + x) + x(-7 + x)) + -11 = 0
((-7 * -7 + x * -7) + x(-7 + x)) + -11 = 0
((49 + -7x) + x(-7 + x)) + -11 = 0
(49 + -7x + (-7 * x + x * x)) + -11 = 0
(49 + -7x + (-7x + x2)) + -11 = 0

Combine like terms: -7x + -7x = -14x
(49 + -14x + x2) + -11 = 0

Reorder the terms:
49 + -11 + -14x + x2 = 0

Combine like terms: 49 + -11 = 38
38 + -14x + x2 = 0

Solving
38 + -14x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-38' to each side of the equation.
38 + -14x + -38 + x2 = 0 + -38

Reorder the terms:
38 + -38 + -14x + x2 = 0 + -38

Combine like terms: 38 + -38 = 0
0 + -14x + x2 = 0 + -38
-14x + x2 = 0 + -38

Combine like terms: 0 + -38 = -38
-14x + x2 = -38

The x term is -14x.  Take half its coefficient (-7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
-14x + 49 + x2 = -38 + 49

Reorder the terms:
49 + -14x + x2 = -38 + 49

Combine like terms: -38 + 49 = 11
49 + -14x + x2 = 11

Factor a perfect square on the left side:
(x + -7)(x + -7) = 11

Calculate the square root of the right side: 3.31662479

Break this problem into two subproblems by setting 
(x + -7) equal to 3.31662479 and -3.31662479.

Subproblem 1

x + -7 = 3.31662479 Simplifying x + -7 = 3.31662479 Reorder the terms: -7 + x = 3.31662479 Solving -7 + x = 3.31662479 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + x = 3.31662479 + 7 Combine like terms: -7 + 7 = 0 0 + x = 3.31662479 + 7 x = 3.31662479 + 7 Combine like terms: 3.31662479 + 7 = 10.31662479 x = 10.31662479 Simplifying x = 10.31662479

Subproblem 2

x + -7 = -3.31662479 Simplifying x + -7 = -3.31662479 Reorder the terms: -7 + x = -3.31662479 Solving -7 + x = -3.31662479 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + x = -3.31662479 + 7 Combine like terms: -7 + 7 = 0 0 + x = -3.31662479 + 7 x = -3.31662479 + 7 Combine like terms: -3.31662479 + 7 = 3.68337521 x = 3.68337521 Simplifying x = 3.68337521

Solution

The solution to the problem is based on the solutions from the subproblems. x = {10.31662479, 3.68337521}

See similar equations:

| 11x-6x+204=11x+84 | | 2a+3(a-4b)+7b-9= | | 0.12x=4.63 | | 70=7(4+x) | | (7x-4)(5x+2)= | | 5x-24=5x-24 | | 5-(x+4)+4x-2(3-6x)= | | 3x+4y-2+5y-7x= | | 2x^2-(x^2-8)=12 | | 3x^2+42x+10=0 | | 3x^2+342x+10=0 | | 3x-24x+2x=5x-24 | | 1.25x+7=43.25 | | -5x+6=-4 | | -9x+5x+20-11x= | | 48x^2-24x+3=0 | | X^2+6x=-3x-20 | | -9+x=-11-c | | 117=9(5z+3) | | Y=16.8+405 | | 7x-6x+x-7+4x= | | 3n-4(4n+2)+2(n+5)= | | 1x-30= | | 5y+1=5y+13 | | p-18-36=-72 | | 4x+18=4x+7 | | 300-7[4(3+5)]=3 | | 6x-2-5x=14-9 | | 15a-3b-7(3a+4b)= | | 175m-125m+43200=45900-175m | | 4x+6(0)=-19 | | 9x-3y=30 |

Equations solver categories