x^2+700x-17000=0

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Solution for x^2+700x-17000=0 equation:


Simplifying
x2 + 700x + -17000 = 0

Reorder the terms:
-17000 + 700x + x2 = 0

Solving
-17000 + 700x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '17000' to each side of the equation.
-17000 + 700x + 17000 + x2 = 0 + 17000

Reorder the terms:
-17000 + 17000 + 700x + x2 = 0 + 17000

Combine like terms: -17000 + 17000 = 0
0 + 700x + x2 = 0 + 17000
700x + x2 = 0 + 17000

Combine like terms: 0 + 17000 = 17000
700x + x2 = 17000

The x term is 700x.  Take half its coefficient (350).
Square it (122500) and add it to both sides.

Add '122500' to each side of the equation.
700x + 122500 + x2 = 17000 + 122500

Reorder the terms:
122500 + 700x + x2 = 17000 + 122500

Combine like terms: 17000 + 122500 = 139500
122500 + 700x + x2 = 139500

Factor a perfect square on the left side:
(x + 350)(x + 350) = 139500

Calculate the square root of the right side: 373.49698794

Break this problem into two subproblems by setting 
(x + 350) equal to 373.49698794 and -373.49698794.

Subproblem 1

x + 350 = 373.49698794 Simplifying x + 350 = 373.49698794 Reorder the terms: 350 + x = 373.49698794 Solving 350 + x = 373.49698794 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-350' to each side of the equation. 350 + -350 + x = 373.49698794 + -350 Combine like terms: 350 + -350 = 0 0 + x = 373.49698794 + -350 x = 373.49698794 + -350 Combine like terms: 373.49698794 + -350 = 23.49698794 x = 23.49698794 Simplifying x = 23.49698794

Subproblem 2

x + 350 = -373.49698794 Simplifying x + 350 = -373.49698794 Reorder the terms: 350 + x = -373.49698794 Solving 350 + x = -373.49698794 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-350' to each side of the equation. 350 + -350 + x = -373.49698794 + -350 Combine like terms: 350 + -350 = 0 0 + x = -373.49698794 + -350 x = -373.49698794 + -350 Combine like terms: -373.49698794 + -350 = -723.49698794 x = -723.49698794 Simplifying x = -723.49698794

Solution

The solution to the problem is based on the solutions from the subproblems. x = {23.49698794, -723.49698794}

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