4(x-2)(x-2)=28

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Solution for 4(x-2)(x-2)=28 equation:


Simplifying
4(x + -2)(x + -2) = 28

Reorder the terms:
4(-2 + x)(x + -2) = 28

Reorder the terms:
4(-2 + x)(-2 + x) = 28

Multiply (-2 + x) * (-2 + x)
4(-2(-2 + x) + x(-2 + x)) = 28
4((-2 * -2 + x * -2) + x(-2 + x)) = 28
4((4 + -2x) + x(-2 + x)) = 28
4(4 + -2x + (-2 * x + x * x)) = 28
4(4 + -2x + (-2x + x2)) = 28

Combine like terms: -2x + -2x = -4x
4(4 + -4x + x2) = 28
(4 * 4 + -4x * 4 + x2 * 4) = 28
(16 + -16x + 4x2) = 28

Solving
16 + -16x + 4x2 = 28

Solving for variable 'x'.

Reorder the terms:
16 + -28 + -16x + 4x2 = 28 + -28

Combine like terms: 16 + -28 = -12
-12 + -16x + 4x2 = 28 + -28

Combine like terms: 28 + -28 = 0
-12 + -16x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-3 + -4x + x2) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-3 + -4x + x2)' equal to zero and attempt to solve: Simplifying -3 + -4x + x2 = 0 Solving -3 + -4x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '3' to each side of the equation. -3 + -4x + 3 + x2 = 0 + 3 Reorder the terms: -3 + 3 + -4x + x2 = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -4x + x2 = 0 + 3 -4x + x2 = 0 + 3 Combine like terms: 0 + 3 = 3 -4x + x2 = 3 The x term is -4x. Take half its coefficient (-2). Square it (4) and add it to both sides. Add '4' to each side of the equation. -4x + 4 + x2 = 3 + 4 Reorder the terms: 4 + -4x + x2 = 3 + 4 Combine like terms: 3 + 4 = 7 4 + -4x + x2 = 7 Factor a perfect square on the left side: (x + -2)(x + -2) = 7 Calculate the square root of the right side: 2.645751311 Break this problem into two subproblems by setting (x + -2) equal to 2.645751311 and -2.645751311.

Subproblem 1

x + -2 = 2.645751311 Simplifying x + -2 = 2.645751311 Reorder the terms: -2 + x = 2.645751311 Solving -2 + x = 2.645751311 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = 2.645751311 + 2 Combine like terms: -2 + 2 = 0 0 + x = 2.645751311 + 2 x = 2.645751311 + 2 Combine like terms: 2.645751311 + 2 = 4.645751311 x = 4.645751311 Simplifying x = 4.645751311

Subproblem 2

x + -2 = -2.645751311 Simplifying x + -2 = -2.645751311 Reorder the terms: -2 + x = -2.645751311 Solving -2 + x = -2.645751311 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = -2.645751311 + 2 Combine like terms: -2 + 2 = 0 0 + x = -2.645751311 + 2 x = -2.645751311 + 2 Combine like terms: -2.645751311 + 2 = -0.645751311 x = -0.645751311 Simplifying x = -0.645751311

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.645751311, -0.645751311}

Solution

x = {4.645751311, -0.645751311}

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