x^2+-90x+-3500=0

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Solution for x^2+-90x+-3500=0 equation:


Simplifying
x2 + -90x + -3500 = 0

Reorder the terms:
-3500 + -90x + x2 = 0

Solving
-3500 + -90x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '3500' to each side of the equation.
-3500 + -90x + 3500 + x2 = 0 + 3500

Reorder the terms:
-3500 + 3500 + -90x + x2 = 0 + 3500

Combine like terms: -3500 + 3500 = 0
0 + -90x + x2 = 0 + 3500
-90x + x2 = 0 + 3500

Combine like terms: 0 + 3500 = 3500
-90x + x2 = 3500

The x term is -90x.  Take half its coefficient (-45).
Square it (2025) and add it to both sides.

Add '2025' to each side of the equation.
-90x + 2025 + x2 = 3500 + 2025

Reorder the terms:
2025 + -90x + x2 = 3500 + 2025

Combine like terms: 3500 + 2025 = 5525
2025 + -90x + x2 = 5525

Factor a perfect square on the left side:
(x + -45)(x + -45) = 5525

Calculate the square root of the right side: 74.330343737

Break this problem into two subproblems by setting 
(x + -45) equal to 74.330343737 and -74.330343737.

Subproblem 1

x + -45 = 74.330343737 Simplifying x + -45 = 74.330343737 Reorder the terms: -45 + x = 74.330343737 Solving -45 + x = 74.330343737 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '45' to each side of the equation. -45 + 45 + x = 74.330343737 + 45 Combine like terms: -45 + 45 = 0 0 + x = 74.330343737 + 45 x = 74.330343737 + 45 Combine like terms: 74.330343737 + 45 = 119.330343737 x = 119.330343737 Simplifying x = 119.330343737

Subproblem 2

x + -45 = -74.330343737 Simplifying x + -45 = -74.330343737 Reorder the terms: -45 + x = -74.330343737 Solving -45 + x = -74.330343737 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '45' to each side of the equation. -45 + 45 + x = -74.330343737 + 45 Combine like terms: -45 + 45 = 0 0 + x = -74.330343737 + 45 x = -74.330343737 + 45 Combine like terms: -74.330343737 + 45 = -29.330343737 x = -29.330343737 Simplifying x = -29.330343737

Solution

The solution to the problem is based on the solutions from the subproblems. x = {119.330343737, -29.330343737}

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