196=14x+x^2

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Solution for 196=14x+x^2 equation:


Simplifying
196 = 14x + x2

Solving
196 = 14x + x2

Solving for variable 'x'.

Reorder the terms:
196 + -14x + -1x2 = 14x + -14x + x2 + -1x2

Combine like terms: 14x + -14x = 0
196 + -14x + -1x2 = 0 + x2 + -1x2
196 + -14x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
196 + -14x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-196 + 14x + x2 = 0

Move the constant term to the right:

Add '196' to each side of the equation.
-196 + 14x + 196 + x2 = 0 + 196

Reorder the terms:
-196 + 196 + 14x + x2 = 0 + 196

Combine like terms: -196 + 196 = 0
0 + 14x + x2 = 0 + 196
14x + x2 = 0 + 196

Combine like terms: 0 + 196 = 196
14x + x2 = 196

The x term is 14x.  Take half its coefficient (7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
14x + 49 + x2 = 196 + 49

Reorder the terms:
49 + 14x + x2 = 196 + 49

Combine like terms: 196 + 49 = 245
49 + 14x + x2 = 245

Factor a perfect square on the left side:
(x + 7)(x + 7) = 245

Calculate the square root of the right side: 15.652475842

Break this problem into two subproblems by setting 
(x + 7) equal to 15.652475842 and -15.652475842.

Subproblem 1

x + 7 = 15.652475842 Simplifying x + 7 = 15.652475842 Reorder the terms: 7 + x = 15.652475842 Solving 7 + x = 15.652475842 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + x = 15.652475842 + -7 Combine like terms: 7 + -7 = 0 0 + x = 15.652475842 + -7 x = 15.652475842 + -7 Combine like terms: 15.652475842 + -7 = 8.652475842 x = 8.652475842 Simplifying x = 8.652475842

Subproblem 2

x + 7 = -15.652475842 Simplifying x + 7 = -15.652475842 Reorder the terms: 7 + x = -15.652475842 Solving 7 + x = -15.652475842 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + x = -15.652475842 + -7 Combine like terms: 7 + -7 = 0 0 + x = -15.652475842 + -7 x = -15.652475842 + -7 Combine like terms: -15.652475842 + -7 = -22.652475842 x = -22.652475842 Simplifying x = -22.652475842

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.652475842, -22.652475842}

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