220x-x^2=50x+2600

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Solution for 220x-x^2=50x+2600 equation:


Simplifying
220x + -1x2 = 50x + 2600

Reorder the terms:
220x + -1x2 = 2600 + 50x

Solving
220x + -1x2 = 2600 + 50x

Solving for variable 'x'.

Reorder the terms:
-2600 + 220x + -50x + -1x2 = 2600 + 50x + -2600 + -50x

Combine like terms: 220x + -50x = 170x
-2600 + 170x + -1x2 = 2600 + 50x + -2600 + -50x

Reorder the terms:
-2600 + 170x + -1x2 = 2600 + -2600 + 50x + -50x

Combine like terms: 2600 + -2600 = 0
-2600 + 170x + -1x2 = 0 + 50x + -50x
-2600 + 170x + -1x2 = 50x + -50x

Combine like terms: 50x + -50x = 0
-2600 + 170x + -1x2 = 0

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

Divide each side by '-1'.
2600 + -170x + x2 = 0

Move the constant term to the right:

Add '-2600' to each side of the equation.
2600 + -170x + -2600 + x2 = 0 + -2600

Reorder the terms:
2600 + -2600 + -170x + x2 = 0 + -2600

Combine like terms: 2600 + -2600 = 0
0 + -170x + x2 = 0 + -2600
-170x + x2 = 0 + -2600

Combine like terms: 0 + -2600 = -2600
-170x + x2 = -2600

The x term is -170x.  Take half its coefficient (-85).
Square it (7225) and add it to both sides.

Add '7225' to each side of the equation.
-170x + 7225 + x2 = -2600 + 7225

Reorder the terms:
7225 + -170x + x2 = -2600 + 7225

Combine like terms: -2600 + 7225 = 4625
7225 + -170x + x2 = 4625

Factor a perfect square on the left side:
(x + -85)(x + -85) = 4625

Calculate the square root of the right side: 68.007352544

Break this problem into two subproblems by setting 
(x + -85) equal to 68.007352544 and -68.007352544.

Subproblem 1

x + -85 = 68.007352544 Simplifying x + -85 = 68.007352544 Reorder the terms: -85 + x = 68.007352544 Solving -85 + x = 68.007352544 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '85' to each side of the equation. -85 + 85 + x = 68.007352544 + 85 Combine like terms: -85 + 85 = 0 0 + x = 68.007352544 + 85 x = 68.007352544 + 85 Combine like terms: 68.007352544 + 85 = 153.007352544 x = 153.007352544 Simplifying x = 153.007352544

Subproblem 2

x + -85 = -68.007352544 Simplifying x + -85 = -68.007352544 Reorder the terms: -85 + x = -68.007352544 Solving -85 + x = -68.007352544 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '85' to each side of the equation. -85 + 85 + x = -68.007352544 + 85 Combine like terms: -85 + 85 = 0 0 + x = -68.007352544 + 85 x = -68.007352544 + 85 Combine like terms: -68.007352544 + 85 = 16.992647456 x = 16.992647456 Simplifying x = 16.992647456

Solution

The solution to the problem is based on the solutions from the subproblems. x = {153.007352544, 16.992647456}

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