34.5=12x-x^2

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Solution for 34.5=12x-x^2 equation:


Simplifying
34.5 = 12x + -1x2

Solving
34.5 = 12x + -1x2

Solving for variable 'x'.

Reorder the terms:
34.5 + -12x + x2 = 12x + -12x + -1x2 + x2

Combine like terms: 12x + -12x = 0
34.5 + -12x + x2 = 0 + -1x2 + x2
34.5 + -12x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
34.5 + -12x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-34.5' to each side of the equation.
34.5 + -12x + -34.5 + x2 = 0 + -34.5

Reorder the terms:
34.5 + -34.5 + -12x + x2 = 0 + -34.5

Combine like terms: 34.5 + -34.5 = 0.0
0.0 + -12x + x2 = 0 + -34.5
-12x + x2 = 0 + -34.5

Combine like terms: 0 + -34.5 = -34.5
-12x + x2 = -34.5

The x term is -12x.  Take half its coefficient (-6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
-12x + 36 + x2 = -34.5 + 36

Reorder the terms:
36 + -12x + x2 = -34.5 + 36

Combine like terms: -34.5 + 36 = 1.5
36 + -12x + x2 = 1.5

Factor a perfect square on the left side:
(x + -6)(x + -6) = 1.5

Calculate the square root of the right side: 1.224744871

Break this problem into two subproblems by setting 
(x + -6) equal to 1.224744871 and -1.224744871.

Subproblem 1

x + -6 = 1.224744871 Simplifying x + -6 = 1.224744871 Reorder the terms: -6 + x = 1.224744871 Solving -6 + x = 1.224744871 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = 1.224744871 + 6 Combine like terms: -6 + 6 = 0 0 + x = 1.224744871 + 6 x = 1.224744871 + 6 Combine like terms: 1.224744871 + 6 = 7.224744871 x = 7.224744871 Simplifying x = 7.224744871

Subproblem 2

x + -6 = -1.224744871 Simplifying x + -6 = -1.224744871 Reorder the terms: -6 + x = -1.224744871 Solving -6 + x = -1.224744871 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = -1.224744871 + 6 Combine like terms: -6 + 6 = 0 0 + x = -1.224744871 + 6 x = -1.224744871 + 6 Combine like terms: -1.224744871 + 6 = 4.775255129 x = 4.775255129 Simplifying x = 4.775255129

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.224744871, 4.775255129}

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