x^2+7x=6084

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Solution for x^2+7x=6084 equation:


Simplifying
x2 + 7x = 6084

Reorder the terms:
7x + x2 = 6084

Solving
7x + x2 = 6084

Solving for variable 'x'.

Reorder the terms:
-6084 + 7x + x2 = 6084 + -6084

Combine like terms: 6084 + -6084 = 0
-6084 + 7x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '6084' to each side of the equation.
-6084 + 7x + 6084 + x2 = 0 + 6084

Reorder the terms:
-6084 + 6084 + 7x + x2 = 0 + 6084

Combine like terms: -6084 + 6084 = 0
0 + 7x + x2 = 0 + 6084
7x + x2 = 0 + 6084

Combine like terms: 0 + 6084 = 6084
7x + x2 = 6084

The x term is 7x.  Take half its coefficient (3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
7x + 12.25 + x2 = 6084 + 12.25

Reorder the terms:
12.25 + 7x + x2 = 6084 + 12.25

Combine like terms: 6084 + 12.25 = 6096.25
12.25 + 7x + x2 = 6096.25

Factor a perfect square on the left side:
(x + 3.5)(x + 3.5) = 6096.25

Calculate the square root of the right side: 78.078486153

Break this problem into two subproblems by setting 
(x + 3.5) equal to 78.078486153 and -78.078486153.

Subproblem 1

x + 3.5 = 78.078486153 Simplifying x + 3.5 = 78.078486153 Reorder the terms: 3.5 + x = 78.078486153 Solving 3.5 + x = 78.078486153 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.5' to each side of the equation. 3.5 + -3.5 + x = 78.078486153 + -3.5 Combine like terms: 3.5 + -3.5 = 0.0 0.0 + x = 78.078486153 + -3.5 x = 78.078486153 + -3.5 Combine like terms: 78.078486153 + -3.5 = 74.578486153 x = 74.578486153 Simplifying x = 74.578486153

Subproblem 2

x + 3.5 = -78.078486153 Simplifying x + 3.5 = -78.078486153 Reorder the terms: 3.5 + x = -78.078486153 Solving 3.5 + x = -78.078486153 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.5' to each side of the equation. 3.5 + -3.5 + x = -78.078486153 + -3.5 Combine like terms: 3.5 + -3.5 = 0.0 0.0 + x = -78.078486153 + -3.5 x = -78.078486153 + -3.5 Combine like terms: -78.078486153 + -3.5 = -81.578486153 x = -81.578486153 Simplifying x = -81.578486153

Solution

The solution to the problem is based on the solutions from the subproblems. x = {74.578486153, -81.578486153}

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