(3x+3)(3x+3)=12

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Solution for (3x+3)(3x+3)=12 equation:


Simplifying
(3x + 3)(3x + 3) = 12

Reorder the terms:
(3 + 3x)(3x + 3) = 12

Reorder the terms:
(3 + 3x)(3 + 3x) = 12

Multiply (3 + 3x) * (3 + 3x)
(3(3 + 3x) + 3x * (3 + 3x)) = 12
((3 * 3 + 3x * 3) + 3x * (3 + 3x)) = 12
((9 + 9x) + 3x * (3 + 3x)) = 12
(9 + 9x + (3 * 3x + 3x * 3x)) = 12
(9 + 9x + (9x + 9x2)) = 12

Combine like terms: 9x + 9x = 18x
(9 + 18x + 9x2) = 12

Solving
9 + 18x + 9x2 = 12

Solving for variable 'x'.

Reorder the terms:
9 + -12 + 18x + 9x2 = 12 + -12

Combine like terms: 9 + -12 = -3
-3 + 18x + 9x2 = 12 + -12

Combine like terms: 12 + -12 = 0
-3 + 18x + 9x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-1 + 6x + 3x2) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-1 + 6x + 3x2)' equal to zero and attempt to solve: Simplifying -1 + 6x + 3x2 = 0 Solving -1 + 6x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -0.3333333333 + 2x + x2 = 0 Move the constant term to the right: Add '0.3333333333' to each side of the equation. -0.3333333333 + 2x + 0.3333333333 + x2 = 0 + 0.3333333333 Reorder the terms: -0.3333333333 + 0.3333333333 + 2x + x2 = 0 + 0.3333333333 Combine like terms: -0.3333333333 + 0.3333333333 = 0.0000000000 0.0000000000 + 2x + x2 = 0 + 0.3333333333 2x + x2 = 0 + 0.3333333333 Combine like terms: 0 + 0.3333333333 = 0.3333333333 2x + x2 = 0.3333333333 The x term is 2x. Take half its coefficient (1). Square it (1) and add it to both sides. Add '1' to each side of the equation. 2x + 1 + x2 = 0.3333333333 + 1 Reorder the terms: 1 + 2x + x2 = 0.3333333333 + 1 Combine like terms: 0.3333333333 + 1 = 1.3333333333 1 + 2x + x2 = 1.3333333333 Factor a perfect square on the left side: (x + 1)(x + 1) = 1.3333333333 Calculate the square root of the right side: 1.154700538 Break this problem into two subproblems by setting (x + 1) equal to 1.154700538 and -1.154700538.

Subproblem 1

x + 1 = 1.154700538 Simplifying x + 1 = 1.154700538 Reorder the terms: 1 + x = 1.154700538 Solving 1 + x = 1.154700538 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 1.154700538 + -1 Combine like terms: 1 + -1 = 0 0 + x = 1.154700538 + -1 x = 1.154700538 + -1 Combine like terms: 1.154700538 + -1 = 0.154700538 x = 0.154700538 Simplifying x = 0.154700538

Subproblem 2

x + 1 = -1.154700538 Simplifying x + 1 = -1.154700538 Reorder the terms: 1 + x = -1.154700538 Solving 1 + x = -1.154700538 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = -1.154700538 + -1 Combine like terms: 1 + -1 = 0 0 + x = -1.154700538 + -1 x = -1.154700538 + -1 Combine like terms: -1.154700538 + -1 = -2.154700538 x = -2.154700538 Simplifying x = -2.154700538

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.154700538, -2.154700538}

Solution

x = {0.154700538, -2.154700538}

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