x^2+150x-39375=0

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Solution for x^2+150x-39375=0 equation:


Simplifying
x2 + 150x + -39375 = 0

Reorder the terms:
-39375 + 150x + x2 = 0

Solving
-39375 + 150x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '39375' to each side of the equation.
-39375 + 150x + 39375 + x2 = 0 + 39375

Reorder the terms:
-39375 + 39375 + 150x + x2 = 0 + 39375

Combine like terms: -39375 + 39375 = 0
0 + 150x + x2 = 0 + 39375
150x + x2 = 0 + 39375

Combine like terms: 0 + 39375 = 39375
150x + x2 = 39375

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 = 39375 + 5625

Reorder the terms:
5625 + 150x + x2 = 39375 + 5625

Combine like terms: 39375 + 5625 = 45000
5625 + 150x + x2 = 45000

Factor a perfect square on the left side:
(x + 75)(x + 75) = 45000

Calculate the square root of the right side: 212.132034356

Break this problem into two subproblems by setting 
(x + 75) equal to 212.132034356 and -212.132034356.

Subproblem 1

x + 75 = 212.132034356 Simplifying x + 75 = 212.132034356 Reorder the terms: 75 + x = 212.132034356 Solving 75 + x = 212.132034356 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 = 212.132034356 + -75 Combine like terms: 75 + -75 = 0 0 + x = 212.132034356 + -75 x = 212.132034356 + -75 Combine like terms: 212.132034356 + -75 = 137.132034356 x = 137.132034356 Simplifying x = 137.132034356

Subproblem 2

x + 75 = -212.132034356 Simplifying x + 75 = -212.132034356 Reorder the terms: 75 + x = -212.132034356 Solving 75 + x = -212.132034356 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 = -212.132034356 + -75 Combine like terms: 75 + -75 = 0 0 + x = -212.132034356 + -75 x = -212.132034356 + -75 Combine like terms: -212.132034356 + -75 = -287.132034356 x = -287.132034356 Simplifying x = -287.132034356

Solution

The solution to the problem is based on the solutions from the subproblems. x = {137.132034356, -287.132034356}

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