48+x^2-16x=4

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Solution for 48+x^2-16x=4 equation:


Simplifying
48 + x2 + -16x = 4

Reorder the terms:
48 + -16x + x2 = 4

Solving
48 + -16x + x2 = 4

Solving for variable 'x'.

Reorder the terms:
48 + -4 + -16x + x2 = 4 + -4

Combine like terms: 48 + -4 = 44
44 + -16x + x2 = 4 + -4

Combine like terms: 4 + -4 = 0
44 + -16x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-44' to each side of the equation.
44 + -16x + -44 + x2 = 0 + -44

Reorder the terms:
44 + -44 + -16x + x2 = 0 + -44

Combine like terms: 44 + -44 = 0
0 + -16x + x2 = 0 + -44
-16x + x2 = 0 + -44

Combine like terms: 0 + -44 = -44
-16x + x2 = -44

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 = -44 + 64

Reorder the terms:
64 + -16x + x2 = -44 + 64

Combine like terms: -44 + 64 = 20
64 + -16x + x2 = 20

Factor a perfect square on the left side:
(x + -8)(x + -8) = 20

Calculate the square root of the right side: 4.472135955

Break this problem into two subproblems by setting 
(x + -8) equal to 4.472135955 and -4.472135955.

Subproblem 1

x + -8 = 4.472135955 Simplifying x + -8 = 4.472135955 Reorder the terms: -8 + x = 4.472135955 Solving -8 + x = 4.472135955 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 = 4.472135955 + 8 Combine like terms: -8 + 8 = 0 0 + x = 4.472135955 + 8 x = 4.472135955 + 8 Combine like terms: 4.472135955 + 8 = 12.472135955 x = 12.472135955 Simplifying x = 12.472135955

Subproblem 2

x + -8 = -4.472135955 Simplifying x + -8 = -4.472135955 Reorder the terms: -8 + x = -4.472135955 Solving -8 + x = -4.472135955 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 = -4.472135955 + 8 Combine like terms: -8 + 8 = 0 0 + x = -4.472135955 + 8 x = -4.472135955 + 8 Combine like terms: -4.472135955 + 8 = 3.527864045 x = 3.527864045 Simplifying x = 3.527864045

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.472135955, 3.527864045}

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