x^2-150x-625=0

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Solution for x^2-150x-625=0 equation:


Simplifying
x2 + -150x + -625 = 0

Reorder the terms:
-625 + -150x + x2 = 0

Solving
-625 + -150x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '625' to each side of the equation.
-625 + -150x + 625 + x2 = 0 + 625

Reorder the terms:
-625 + 625 + -150x + x2 = 0 + 625

Combine like terms: -625 + 625 = 0
0 + -150x + x2 = 0 + 625
-150x + x2 = 0 + 625

Combine like terms: 0 + 625 = 625
-150x + x2 = 625

The x term is -150x.  Take half its coefficient (-75).
Square it (5625) and add it to both sides.

Add '5625' to each side of the equation.
-150x + 5625 + x2 = 625 + 5625

Reorder the terms:
5625 + -150x + x2 = 625 + 5625

Combine like terms: 625 + 5625 = 6250
5625 + -150x + x2 = 6250

Factor a perfect square on the left side:
(x + -75)(x + -75) = 6250

Calculate the square root of the right side: 79.056941504

Break this problem into two subproblems by setting 
(x + -75) equal to 79.056941504 and -79.056941504.

Subproblem 1

x + -75 = 79.056941504 Simplifying x + -75 = 79.056941504 Reorder the terms: -75 + x = 79.056941504 Solving -75 + x = 79.056941504 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '75' to each side of the equation. -75 + 75 + x = 79.056941504 + 75 Combine like terms: -75 + 75 = 0 0 + x = 79.056941504 + 75 x = 79.056941504 + 75 Combine like terms: 79.056941504 + 75 = 154.056941504 x = 154.056941504 Simplifying x = 154.056941504

Subproblem 2

x + -75 = -79.056941504 Simplifying x + -75 = -79.056941504 Reorder the terms: -75 + x = -79.056941504 Solving -75 + x = -79.056941504 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '75' to each side of the equation. -75 + 75 + x = -79.056941504 + 75 Combine like terms: -75 + 75 = 0 0 + x = -79.056941504 + 75 x = -79.056941504 + 75 Combine like terms: -79.056941504 + 75 = -4.056941504 x = -4.056941504 Simplifying x = -4.056941504

Solution

The solution to the problem is based on the solutions from the subproblems. x = {154.056941504, -4.056941504}

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