2j^2-12j+12=0

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Solution for 2j^2-12j+12=0 equation:


Simplifying
2j2 + -12j + 12 = 0

Reorder the terms:
12 + -12j + 2j2 = 0

Solving
12 + -12j + 2j2 = 0

Solving for variable 'j'.

Factor out the Greatest Common Factor (GCF), '2'.
2(6 + -6j + j2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(6 + -6j + j2)' equal to zero and attempt to solve: Simplifying 6 + -6j + j2 = 0 Solving 6 + -6j + j2 = 0 Begin completing the square. Move the constant term to the right: Add '-6' to each side of the equation. 6 + -6j + -6 + j2 = 0 + -6 Reorder the terms: 6 + -6 + -6j + j2 = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -6j + j2 = 0 + -6 -6j + j2 = 0 + -6 Combine like terms: 0 + -6 = -6 -6j + j2 = -6 The j term is -6j. Take half its coefficient (-3). Square it (9) and add it to both sides. Add '9' to each side of the equation. -6j + 9 + j2 = -6 + 9 Reorder the terms: 9 + -6j + j2 = -6 + 9 Combine like terms: -6 + 9 = 3 9 + -6j + j2 = 3 Factor a perfect square on the left side: (j + -3)(j + -3) = 3 Calculate the square root of the right side: 1.732050808 Break this problem into two subproblems by setting (j + -3) equal to 1.732050808 and -1.732050808.

Subproblem 1

j + -3 = 1.732050808 Simplifying j + -3 = 1.732050808 Reorder the terms: -3 + j = 1.732050808 Solving -3 + j = 1.732050808 Solving for variable 'j'. Move all terms containing j to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + j = 1.732050808 + 3 Combine like terms: -3 + 3 = 0 0 + j = 1.732050808 + 3 j = 1.732050808 + 3 Combine like terms: 1.732050808 + 3 = 4.732050808 j = 4.732050808 Simplifying j = 4.732050808

Subproblem 2

j + -3 = -1.732050808 Simplifying j + -3 = -1.732050808 Reorder the terms: -3 + j = -1.732050808 Solving -3 + j = -1.732050808 Solving for variable 'j'. Move all terms containing j to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + j = -1.732050808 + 3 Combine like terms: -3 + 3 = 0 0 + j = -1.732050808 + 3 j = -1.732050808 + 3 Combine like terms: -1.732050808 + 3 = 1.267949192 j = 1.267949192 Simplifying j = 1.267949192

Solution

The solution to the problem is based on the solutions from the subproblems. j = {4.732050808, 1.267949192}

Solution

j = {4.732050808, 1.267949192}

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