x^2-300x-30000=0

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Solution for x^2-300x-30000=0 equation:


Simplifying
x2 + -300x + -30000 = 0

Reorder the terms:
-30000 + -300x + x2 = 0

Solving
-30000 + -300x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '30000' to each side of the equation.
-30000 + -300x + 30000 + x2 = 0 + 30000

Reorder the terms:
-30000 + 30000 + -300x + x2 = 0 + 30000

Combine like terms: -30000 + 30000 = 0
0 + -300x + x2 = 0 + 30000
-300x + x2 = 0 + 30000

Combine like terms: 0 + 30000 = 30000
-300x + x2 = 30000

The x term is -300x.  Take half its coefficient (-150).
Square it (22500) and add it to both sides.

Add '22500' to each side of the equation.
-300x + 22500 + x2 = 30000 + 22500

Reorder the terms:
22500 + -300x + x2 = 30000 + 22500

Combine like terms: 30000 + 22500 = 52500
22500 + -300x + x2 = 52500

Factor a perfect square on the left side:
(x + -150)(x + -150) = 52500

Calculate the square root of the right side: 229.128784748

Break this problem into two subproblems by setting 
(x + -150) equal to 229.128784748 and -229.128784748.

Subproblem 1

x + -150 = 229.128784748 Simplifying x + -150 = 229.128784748 Reorder the terms: -150 + x = 229.128784748 Solving -150 + x = 229.128784748 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '150' to each side of the equation. -150 + 150 + x = 229.128784748 + 150 Combine like terms: -150 + 150 = 0 0 + x = 229.128784748 + 150 x = 229.128784748 + 150 Combine like terms: 229.128784748 + 150 = 379.128784748 x = 379.128784748 Simplifying x = 379.128784748

Subproblem 2

x + -150 = -229.128784748 Simplifying x + -150 = -229.128784748 Reorder the terms: -150 + x = -229.128784748 Solving -150 + x = -229.128784748 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '150' to each side of the equation. -150 + 150 + x = -229.128784748 + 150 Combine like terms: -150 + 150 = 0 0 + x = -229.128784748 + 150 x = -229.128784748 + 150 Combine like terms: -229.128784748 + 150 = -79.128784748 x = -79.128784748 Simplifying x = -79.128784748

Solution

The solution to the problem is based on the solutions from the subproblems. x = {379.128784748, -79.128784748}

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