x(x+49)=12

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Solution for x(x+49)=12 equation:


Simplifying
x(x + 49) = 12

Reorder the terms:
x(49 + x) = 12
(49 * x + x * x) = 12
(49x + x2) = 12

Solving
49x + x2 = 12

Solving for variable 'x'.

Reorder the terms:
-12 + 49x + x2 = 12 + -12

Combine like terms: 12 + -12 = 0
-12 + 49x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '12' to each side of the equation.
-12 + 49x + 12 + x2 = 0 + 12

Reorder the terms:
-12 + 12 + 49x + x2 = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 49x + x2 = 0 + 12
49x + x2 = 0 + 12

Combine like terms: 0 + 12 = 12
49x + x2 = 12

The x term is 49x.  Take half its coefficient (24.5).
Square it (600.25) and add it to both sides.

Add '600.25' to each side of the equation.
49x + 600.25 + x2 = 12 + 600.25

Reorder the terms:
600.25 + 49x + x2 = 12 + 600.25

Combine like terms: 12 + 600.25 = 612.25
600.25 + 49x + x2 = 612.25

Factor a perfect square on the left side:
(x + 24.5)(x + 24.5) = 612.25

Calculate the square root of the right side: 24.743686063

Break this problem into two subproblems by setting 
(x + 24.5) equal to 24.743686063 and -24.743686063.

Subproblem 1

x + 24.5 = 24.743686063 Simplifying x + 24.5 = 24.743686063 Reorder the terms: 24.5 + x = 24.743686063 Solving 24.5 + x = 24.743686063 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-24.5' to each side of the equation. 24.5 + -24.5 + x = 24.743686063 + -24.5 Combine like terms: 24.5 + -24.5 = 0.0 0.0 + x = 24.743686063 + -24.5 x = 24.743686063 + -24.5 Combine like terms: 24.743686063 + -24.5 = 0.243686063 x = 0.243686063 Simplifying x = 0.243686063

Subproblem 2

x + 24.5 = -24.743686063 Simplifying x + 24.5 = -24.743686063 Reorder the terms: 24.5 + x = -24.743686063 Solving 24.5 + x = -24.743686063 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-24.5' to each side of the equation. 24.5 + -24.5 + x = -24.743686063 + -24.5 Combine like terms: 24.5 + -24.5 = 0.0 0.0 + x = -24.743686063 + -24.5 x = -24.743686063 + -24.5 Combine like terms: -24.743686063 + -24.5 = -49.243686063 x = -49.243686063 Simplifying x = -49.243686063

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.243686063, -49.243686063}

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