700=x^2-10x

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Solution for 700=x^2-10x equation:


Simplifying
700 = x2 + -10x

Reorder the terms:
700 = -10x + x2

Solving
700 = -10x + x2

Solving for variable 'x'.

Reorder the terms:
700 + 10x + -1x2 = -10x + 10x + x2 + -1x2

Combine like terms: -10x + 10x = 0
700 + 10x + -1x2 = 0 + x2 + -1x2
700 + 10x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
700 + 10x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-700 + -10x + x2 = 0

Move the constant term to the right:

Add '700' to each side of the equation.
-700 + -10x + 700 + x2 = 0 + 700

Reorder the terms:
-700 + 700 + -10x + x2 = 0 + 700

Combine like terms: -700 + 700 = 0
0 + -10x + x2 = 0 + 700
-10x + x2 = 0 + 700

Combine like terms: 0 + 700 = 700
-10x + x2 = 700

The x term is -10x.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10x + 25 + x2 = 700 + 25

Reorder the terms:
25 + -10x + x2 = 700 + 25

Combine like terms: 700 + 25 = 725
25 + -10x + x2 = 725

Factor a perfect square on the left side:
(x + -5)(x + -5) = 725

Calculate the square root of the right side: 26.925824036

Break this problem into two subproblems by setting 
(x + -5) equal to 26.925824036 and -26.925824036.

Subproblem 1

x + -5 = 26.925824036 Simplifying x + -5 = 26.925824036 Reorder the terms: -5 + x = 26.925824036 Solving -5 + x = 26.925824036 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = 26.925824036 + 5 Combine like terms: -5 + 5 = 0 0 + x = 26.925824036 + 5 x = 26.925824036 + 5 Combine like terms: 26.925824036 + 5 = 31.925824036 x = 31.925824036 Simplifying x = 31.925824036

Subproblem 2

x + -5 = -26.925824036 Simplifying x + -5 = -26.925824036 Reorder the terms: -5 + x = -26.925824036 Solving -5 + x = -26.925824036 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = -26.925824036 + 5 Combine like terms: -5 + 5 = 0 0 + x = -26.925824036 + 5 x = -26.925824036 + 5 Combine like terms: -26.925824036 + 5 = -21.925824036 x = -21.925824036 Simplifying x = -21.925824036

Solution

The solution to the problem is based on the solutions from the subproblems. x = {31.925824036, -21.925824036}

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