2f^2+12f=46

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Solution for 2f^2+12f=46 equation:


Simplifying
2f2 + 12f = 46

Reorder the terms:
12f + 2f2 = 46

Solving
12f + 2f2 = 46

Solving for variable 'f'.

Reorder the terms:
-46 + 12f + 2f2 = 46 + -46

Combine like terms: 46 + -46 = 0
-46 + 12f + 2f2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-23 + 6f + f2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-23 + 6f + f2)' equal to zero and attempt to solve: Simplifying -23 + 6f + f2 = 0 Solving -23 + 6f + f2 = 0 Begin completing the square. Move the constant term to the right: Add '23' to each side of the equation. -23 + 6f + 23 + f2 = 0 + 23 Reorder the terms: -23 + 23 + 6f + f2 = 0 + 23 Combine like terms: -23 + 23 = 0 0 + 6f + f2 = 0 + 23 6f + f2 = 0 + 23 Combine like terms: 0 + 23 = 23 6f + f2 = 23 The f term is 6f. Take half its coefficient (3). Square it (9) and add it to both sides. Add '9' to each side of the equation. 6f + 9 + f2 = 23 + 9 Reorder the terms: 9 + 6f + f2 = 23 + 9 Combine like terms: 23 + 9 = 32 9 + 6f + f2 = 32 Factor a perfect square on the left side: (f + 3)(f + 3) = 32 Calculate the square root of the right side: 5.656854249 Break this problem into two subproblems by setting (f + 3) equal to 5.656854249 and -5.656854249.

Subproblem 1

f + 3 = 5.656854249 Simplifying f + 3 = 5.656854249 Reorder the terms: 3 + f = 5.656854249 Solving 3 + f = 5.656854249 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + f = 5.656854249 + -3 Combine like terms: 3 + -3 = 0 0 + f = 5.656854249 + -3 f = 5.656854249 + -3 Combine like terms: 5.656854249 + -3 = 2.656854249 f = 2.656854249 Simplifying f = 2.656854249

Subproblem 2

f + 3 = -5.656854249 Simplifying f + 3 = -5.656854249 Reorder the terms: 3 + f = -5.656854249 Solving 3 + f = -5.656854249 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + f = -5.656854249 + -3 Combine like terms: 3 + -3 = 0 0 + f = -5.656854249 + -3 f = -5.656854249 + -3 Combine like terms: -5.656854249 + -3 = -8.656854249 f = -8.656854249 Simplifying f = -8.656854249

Solution

The solution to the problem is based on the solutions from the subproblems. f = {2.656854249, -8.656854249}

Solution

f = {2.656854249, -8.656854249}

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