(v-8)(v-8)-32=0

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Solution for (v-8)(v-8)-32=0 equation:


Simplifying
(v + -8)(v + -8) + -32 = 0

Reorder the terms:
(-8 + v)(v + -8) + -32 = 0

Reorder the terms:
(-8 + v)(-8 + v) + -32 = 0

Multiply (-8 + v) * (-8 + v)
(-8(-8 + v) + v(-8 + v)) + -32 = 0
((-8 * -8 + v * -8) + v(-8 + v)) + -32 = 0
((64 + -8v) + v(-8 + v)) + -32 = 0
(64 + -8v + (-8 * v + v * v)) + -32 = 0
(64 + -8v + (-8v + v2)) + -32 = 0

Combine like terms: -8v + -8v = -16v
(64 + -16v + v2) + -32 = 0

Reorder the terms:
64 + -32 + -16v + v2 = 0

Combine like terms: 64 + -32 = 32
32 + -16v + v2 = 0

Solving
32 + -16v + v2 = 0

Solving for variable 'v'.

Begin completing the square.

Move the constant term to the right:

Add '-32' to each side of the equation.
32 + -16v + -32 + v2 = 0 + -32

Reorder the terms:
32 + -32 + -16v + v2 = 0 + -32

Combine like terms: 32 + -32 = 0
0 + -16v + v2 = 0 + -32
-16v + v2 = 0 + -32

Combine like terms: 0 + -32 = -32
-16v + v2 = -32

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

Add '64' to each side of the equation.
-16v + 64 + v2 = -32 + 64

Reorder the terms:
64 + -16v + v2 = -32 + 64

Combine like terms: -32 + 64 = 32
64 + -16v + v2 = 32

Factor a perfect square on the left side:
(v + -8)(v + -8) = 32

Calculate the square root of the right side: 5.656854249

Break this problem into two subproblems by setting 
(v + -8) equal to 5.656854249 and -5.656854249.

Subproblem 1

v + -8 = 5.656854249 Simplifying v + -8 = 5.656854249 Reorder the terms: -8 + v = 5.656854249 Solving -8 + v = 5.656854249 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + v = 5.656854249 + 8 Combine like terms: -8 + 8 = 0 0 + v = 5.656854249 + 8 v = 5.656854249 + 8 Combine like terms: 5.656854249 + 8 = 13.656854249 v = 13.656854249 Simplifying v = 13.656854249

Subproblem 2

v + -8 = -5.656854249 Simplifying v + -8 = -5.656854249 Reorder the terms: -8 + v = -5.656854249 Solving -8 + v = -5.656854249 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + v = -5.656854249 + 8 Combine like terms: -8 + 8 = 0 0 + v = -5.656854249 + 8 v = -5.656854249 + 8 Combine like terms: -5.656854249 + 8 = 2.343145751 v = 2.343145751 Simplifying v = 2.343145751

Solution

The solution to the problem is based on the solutions from the subproblems. v = {13.656854249, 2.343145751}

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