12x-23+4(x^2+4x+4)=49

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Solution for 12x-23+4(x^2+4x+4)=49 equation:


Simplifying
12x + -23 + 4(x2 + 4x + 4) = 49

Reorder the terms:
12x + -23 + 4(4 + 4x + x2) = 49
12x + -23 + (4 * 4 + 4x * 4 + x2 * 4) = 49
12x + -23 + (16 + 16x + 4x2) = 49

Reorder the terms:
-23 + 16 + 12x + 16x + 4x2 = 49

Combine like terms: -23 + 16 = -7
-7 + 12x + 16x + 4x2 = 49

Combine like terms: 12x + 16x = 28x
-7 + 28x + 4x2 = 49

Solving
-7 + 28x + 4x2 = 49

Solving for variable 'x'.

Reorder the terms:
-7 + -49 + 28x + 4x2 = 49 + -49

Combine like terms: -7 + -49 = -56
-56 + 28x + 4x2 = 49 + -49

Combine like terms: 49 + -49 = 0
-56 + 28x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-14 + 7x + x2) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-14 + 7x + x2)' equal to zero and attempt to solve: Simplifying -14 + 7x + x2 = 0 Solving -14 + 7x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '14' to each side of the equation. -14 + 7x + 14 + x2 = 0 + 14 Reorder the terms: -14 + 14 + 7x + x2 = 0 + 14 Combine like terms: -14 + 14 = 0 0 + 7x + x2 = 0 + 14 7x + x2 = 0 + 14 Combine like terms: 0 + 14 = 14 7x + x2 = 14 The x term is 7x. Take half its coefficient (3.5). Square it (12.25) and add it to both sides. Add '12.25' to each side of the equation. 7x + 12.25 + x2 = 14 + 12.25 Reorder the terms: 12.25 + 7x + x2 = 14 + 12.25 Combine like terms: 14 + 12.25 = 26.25 12.25 + 7x + x2 = 26.25 Factor a perfect square on the left side: (x + 3.5)(x + 3.5) = 26.25 Calculate the square root of the right side: 5.123475383 Break this problem into two subproblems by setting (x + 3.5) equal to 5.123475383 and -5.123475383.

Subproblem 1

x + 3.5 = 5.123475383 Simplifying x + 3.5 = 5.123475383 Reorder the terms: 3.5 + x = 5.123475383 Solving 3.5 + x = 5.123475383 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.5' to each side of the equation. 3.5 + -3.5 + x = 5.123475383 + -3.5 Combine like terms: 3.5 + -3.5 = 0.0 0.0 + x = 5.123475383 + -3.5 x = 5.123475383 + -3.5 Combine like terms: 5.123475383 + -3.5 = 1.623475383 x = 1.623475383 Simplifying x = 1.623475383

Subproblem 2

x + 3.5 = -5.123475383 Simplifying x + 3.5 = -5.123475383 Reorder the terms: 3.5 + x = -5.123475383 Solving 3.5 + x = -5.123475383 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.5' to each side of the equation. 3.5 + -3.5 + x = -5.123475383 + -3.5 Combine like terms: 3.5 + -3.5 = 0.0 0.0 + x = -5.123475383 + -3.5 x = -5.123475383 + -3.5 Combine like terms: -5.123475383 + -3.5 = -8.623475383 x = -8.623475383 Simplifying x = -8.623475383

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.623475383, -8.623475383}

Solution

x = {1.623475383, -8.623475383}

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