8750=x(x+3)

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Solution for 8750=x(x+3) equation:


Simplifying
8750 = x(x + 3)

Reorder the terms:
8750 = x(3 + x)
8750 = (3 * x + x * x)
8750 = (3x + x2)

Solving
8750 = 3x + x2

Solving for variable 'x'.

Reorder the terms:
8750 + -3x + -1x2 = 3x + -3x + x2 + -1x2

Combine like terms: 3x + -3x = 0
8750 + -3x + -1x2 = 0 + x2 + -1x2
8750 + -3x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
8750 + -3x + -1x2 = 0

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

Divide each side by '-1'.
-8750 + 3x + x2 = 0

Move the constant term to the right:

Add '8750' to each side of the equation.
-8750 + 3x + 8750 + x2 = 0 + 8750

Reorder the terms:
-8750 + 8750 + 3x + x2 = 0 + 8750

Combine like terms: -8750 + 8750 = 0
0 + 3x + x2 = 0 + 8750
3x + x2 = 0 + 8750

Combine like terms: 0 + 8750 = 8750
3x + x2 = 8750

The x term is 3x.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3x + 2.25 + x2 = 8750 + 2.25

Reorder the terms:
2.25 + 3x + x2 = 8750 + 2.25

Combine like terms: 8750 + 2.25 = 8752.25
2.25 + 3x + x2 = 8752.25

Factor a perfect square on the left side:
(x + 1.5)(x + 1.5) = 8752.25

Calculate the square root of the right side: 93.553460652

Break this problem into two subproblems by setting 
(x + 1.5) equal to 93.553460652 and -93.553460652.

Subproblem 1

x + 1.5 = 93.553460652 Simplifying x + 1.5 = 93.553460652 Reorder the terms: 1.5 + x = 93.553460652 Solving 1.5 + x = 93.553460652 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = 93.553460652 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = 93.553460652 + -1.5 x = 93.553460652 + -1.5 Combine like terms: 93.553460652 + -1.5 = 92.053460652 x = 92.053460652 Simplifying x = 92.053460652

Subproblem 2

x + 1.5 = -93.553460652 Simplifying x + 1.5 = -93.553460652 Reorder the terms: 1.5 + x = -93.553460652 Solving 1.5 + x = -93.553460652 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = -93.553460652 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = -93.553460652 + -1.5 x = -93.553460652 + -1.5 Combine like terms: -93.553460652 + -1.5 = -95.053460652 x = -95.053460652 Simplifying x = -95.053460652

Solution

The solution to the problem is based on the solutions from the subproblems. x = {92.053460652, -95.053460652}

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