(x-8)(x-8)=48

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Solution for (x-8)(x-8)=48 equation:


Simplifying
(x + -8)(x + -8) = 48

Reorder the terms:
(-8 + x)(x + -8) = 48

Reorder the terms:
(-8 + x)(-8 + x) = 48

Multiply (-8 + x) * (-8 + x)
(-8(-8 + x) + x(-8 + x)) = 48
((-8 * -8 + x * -8) + x(-8 + x)) = 48
((64 + -8x) + x(-8 + x)) = 48
(64 + -8x + (-8 * x + x * x)) = 48
(64 + -8x + (-8x + x2)) = 48

Combine like terms: -8x + -8x = -16x
(64 + -16x + x2) = 48

Solving
64 + -16x + x2 = 48

Solving for variable 'x'.

Reorder the terms:
64 + -48 + -16x + x2 = 48 + -48

Combine like terms: 64 + -48 = 16
16 + -16x + x2 = 48 + -48

Combine like terms: 48 + -48 = 0
16 + -16x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-16' to each side of the equation.
16 + -16x + -16 + x2 = 0 + -16

Reorder the terms:
16 + -16 + -16x + x2 = 0 + -16

Combine like terms: 16 + -16 = 0
0 + -16x + x2 = 0 + -16
-16x + x2 = 0 + -16

Combine like terms: 0 + -16 = -16
-16x + x2 = -16

The x term is -16x.  Take half its coefficient (-8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
-16x + 64 + x2 = -16 + 64

Reorder the terms:
64 + -16x + x2 = -16 + 64

Combine like terms: -16 + 64 = 48
64 + -16x + x2 = 48

Factor a perfect square on the left side:
(x + -8)(x + -8) = 48

Calculate the square root of the right side: 6.92820323

Break this problem into two subproblems by setting 
(x + -8) equal to 6.92820323 and -6.92820323.

Subproblem 1

x + -8 = 6.92820323 Simplifying x + -8 = 6.92820323 Reorder the terms: -8 + x = 6.92820323 Solving -8 + x = 6.92820323 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x = 6.92820323 + 8 Combine like terms: -8 + 8 = 0 0 + x = 6.92820323 + 8 x = 6.92820323 + 8 Combine like terms: 6.92820323 + 8 = 14.92820323 x = 14.92820323 Simplifying x = 14.92820323

Subproblem 2

x + -8 = -6.92820323 Simplifying x + -8 = -6.92820323 Reorder the terms: -8 + x = -6.92820323 Solving -8 + x = -6.92820323 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x = -6.92820323 + 8 Combine like terms: -8 + 8 = 0 0 + x = -6.92820323 + 8 x = -6.92820323 + 8 Combine like terms: -6.92820323 + 8 = 1.07179677 x = 1.07179677 Simplifying x = 1.07179677

Solution

The solution to the problem is based on the solutions from the subproblems. x = {14.92820323, 1.07179677}

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