7+(-12x)+x^2=0

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Solution for 7+(-12x)+x^2=0 equation:


Simplifying
7 + (-12x) + x2 = 0

Solving
7 + (-12x) + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-7' to each side of the equation.
7 + (-12x) + -7 + x2 = 0 + -7

Reorder the terms:
7 + -7 + (-12x) + x2 = 0 + -7

Combine like terms: 7 + -7 = 0
0 + (-12x) + x2 = 0 + -7
(-12x) + x2 = 0 + -7

Combine like terms: 0 + -7 = -7
(-12x) + x2 = -7

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 = -7 + 36

Reorder the terms:
36 + (-12x) + x2 = -7 + 36

Combine like terms: -7 + 36 = 29
36 + (-12x) + x2 = 29

Factor a perfect square on the left side:
(x + -6)(x + -6) = 29

Calculate the square root of the right side: 5.385164807

Break this problem into two subproblems by setting 
(x + -6) equal to 5.385164807 and -5.385164807.

Subproblem 1

x + -6 = 5.385164807 Simplifying x + -6 = 5.385164807 Reorder the terms: -6 + x = 5.385164807 Solving -6 + x = 5.385164807 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 = 5.385164807 + 6 Combine like terms: -6 + 6 = 0 0 + x = 5.385164807 + 6 x = 5.385164807 + 6 Combine like terms: 5.385164807 + 6 = 11.385164807 x = 11.385164807 Simplifying x = 11.385164807

Subproblem 2

x + -6 = -5.385164807 Simplifying x + -6 = -5.385164807 Reorder the terms: -6 + x = -5.385164807 Solving -6 + x = -5.385164807 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 = -5.385164807 + 6 Combine like terms: -6 + 6 = 0 0 + x = -5.385164807 + 6 x = -5.385164807 + 6 Combine like terms: -5.385164807 + 6 = 0.614835193 x = 0.614835193 Simplifying x = 0.614835193

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.385164807, 0.614835193}

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