x^2+70x-32100=0

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Solution for x^2+70x-32100=0 equation:


Simplifying
x2 + 70x + -32100 = 0

Reorder the terms:
-32100 + 70x + x2 = 0

Solving
-32100 + 70x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '32100' to each side of the equation.
-32100 + 70x + 32100 + x2 = 0 + 32100

Reorder the terms:
-32100 + 32100 + 70x + x2 = 0 + 32100

Combine like terms: -32100 + 32100 = 0
0 + 70x + x2 = 0 + 32100
70x + x2 = 0 + 32100

Combine like terms: 0 + 32100 = 32100
70x + x2 = 32100

The x term is 70x.  Take half its coefficient (35).
Square it (1225) and add it to both sides.

Add '1225' to each side of the equation.
70x + 1225 + x2 = 32100 + 1225

Reorder the terms:
1225 + 70x + x2 = 32100 + 1225

Combine like terms: 32100 + 1225 = 33325
1225 + 70x + x2 = 33325

Factor a perfect square on the left side:
(x + 35)(x + 35) = 33325

Calculate the square root of the right side: 182.551362635

Break this problem into two subproblems by setting 
(x + 35) equal to 182.551362635 and -182.551362635.

Subproblem 1

x + 35 = 182.551362635 Simplifying x + 35 = 182.551362635 Reorder the terms: 35 + x = 182.551362635 Solving 35 + x = 182.551362635 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-35' to each side of the equation. 35 + -35 + x = 182.551362635 + -35 Combine like terms: 35 + -35 = 0 0 + x = 182.551362635 + -35 x = 182.551362635 + -35 Combine like terms: 182.551362635 + -35 = 147.551362635 x = 147.551362635 Simplifying x = 147.551362635

Subproblem 2

x + 35 = -182.551362635 Simplifying x + 35 = -182.551362635 Reorder the terms: 35 + x = -182.551362635 Solving 35 + x = -182.551362635 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-35' to each side of the equation. 35 + -35 + x = -182.551362635 + -35 Combine like terms: 35 + -35 = 0 0 + x = -182.551362635 + -35 x = -182.551362635 + -35 Combine like terms: -182.551362635 + -35 = -217.551362635 x = -217.551362635 Simplifying x = -217.551362635

Solution

The solution to the problem is based on the solutions from the subproblems. x = {147.551362635, -217.551362635}

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