7056=x^2+5x

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Solution for 7056=x^2+5x equation:


Simplifying
7056 = x2 + 5x

Reorder the terms:
7056 = 5x + x2

Solving
7056 = 5x + x2

Solving for variable 'x'.

Reorder the terms:
7056 + -5x + -1x2 = 5x + -5x + x2 + -1x2

Combine like terms: 5x + -5x = 0
7056 + -5x + -1x2 = 0 + x2 + -1x2
7056 + -5x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
7056 + -5x + -1x2 = 0

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

Divide each side by '-1'.
-7056 + 5x + x2 = 0

Move the constant term to the right:

Add '7056' to each side of the equation.
-7056 + 5x + 7056 + x2 = 0 + 7056

Reorder the terms:
-7056 + 7056 + 5x + x2 = 0 + 7056

Combine like terms: -7056 + 7056 = 0
0 + 5x + x2 = 0 + 7056
5x + x2 = 0 + 7056

Combine like terms: 0 + 7056 = 7056
5x + x2 = 7056

The x term is 5x.  Take half its coefficient (2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
5x + 6.25 + x2 = 7056 + 6.25

Reorder the terms:
6.25 + 5x + x2 = 7056 + 6.25

Combine like terms: 7056 + 6.25 = 7062.25
6.25 + 5x + x2 = 7062.25

Factor a perfect square on the left side:
(x + 2.5)(x + 2.5) = 7062.25

Calculate the square root of the right side: 84.037194146

Break this problem into two subproblems by setting 
(x + 2.5) equal to 84.037194146 and -84.037194146.

Subproblem 1

x + 2.5 = 84.037194146 Simplifying x + 2.5 = 84.037194146 Reorder the terms: 2.5 + x = 84.037194146 Solving 2.5 + x = 84.037194146 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + x = 84.037194146 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + x = 84.037194146 + -2.5 x = 84.037194146 + -2.5 Combine like terms: 84.037194146 + -2.5 = 81.537194146 x = 81.537194146 Simplifying x = 81.537194146

Subproblem 2

x + 2.5 = -84.037194146 Simplifying x + 2.5 = -84.037194146 Reorder the terms: 2.5 + x = -84.037194146 Solving 2.5 + x = -84.037194146 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + x = -84.037194146 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + x = -84.037194146 + -2.5 x = -84.037194146 + -2.5 Combine like terms: -84.037194146 + -2.5 = -86.537194146 x = -86.537194146 Simplifying x = -86.537194146

Solution

The solution to the problem is based on the solutions from the subproblems. x = {81.537194146, -86.537194146}

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