x^2-61.28x=2000

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Solution for x^2-61.28x=2000 equation:


Simplifying
x2 + -61.28x = 2000

Reorder the terms:
-61.28x + x2 = 2000

Solving
-61.28x + x2 = 2000

Solving for variable 'x'.

Reorder the terms:
-2000 + -61.28x + x2 = 2000 + -2000

Combine like terms: 2000 + -2000 = 0
-2000 + -61.28x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '2000' to each side of the equation.
-2000 + -61.28x + 2000 + x2 = 0 + 2000

Reorder the terms:
-2000 + 2000 + -61.28x + x2 = 0 + 2000

Combine like terms: -2000 + 2000 = 0
0 + -61.28x + x2 = 0 + 2000
-61.28x + x2 = 0 + 2000

Combine like terms: 0 + 2000 = 2000
-61.28x + x2 = 2000

The x term is -61.28x.  Take half its coefficient (-30.64).
Square it (938.8096) and add it to both sides.

Add '938.8096' to each side of the equation.
-61.28x + 938.8096 + x2 = 2000 + 938.8096

Reorder the terms:
938.8096 + -61.28x + x2 = 2000 + 938.8096

Combine like terms: 2000 + 938.8096 = 2938.8096
938.8096 + -61.28x + x2 = 2938.8096

Factor a perfect square on the left side:
(x + -30.64)(x + -30.64) = 2938.8096

Calculate the square root of the right side: 54.210788594

Break this problem into two subproblems by setting 
(x + -30.64) equal to 54.210788594 and -54.210788594.

Subproblem 1

x + -30.64 = 54.210788594 Simplifying x + -30.64 = 54.210788594 Reorder the terms: -30.64 + x = 54.210788594 Solving -30.64 + x = 54.210788594 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '30.64' to each side of the equation. -30.64 + 30.64 + x = 54.210788594 + 30.64 Combine like terms: -30.64 + 30.64 = 0.00 0.00 + x = 54.210788594 + 30.64 x = 54.210788594 + 30.64 Combine like terms: 54.210788594 + 30.64 = 84.850788594 x = 84.850788594 Simplifying x = 84.850788594

Subproblem 2

x + -30.64 = -54.210788594 Simplifying x + -30.64 = -54.210788594 Reorder the terms: -30.64 + x = -54.210788594 Solving -30.64 + x = -54.210788594 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '30.64' to each side of the equation. -30.64 + 30.64 + x = -54.210788594 + 30.64 Combine like terms: -30.64 + 30.64 = 0.00 0.00 + x = -54.210788594 + 30.64 x = -54.210788594 + 30.64 Combine like terms: -54.210788594 + 30.64 = -23.570788594 x = -23.570788594 Simplifying x = -23.570788594

Solution

The solution to the problem is based on the solutions from the subproblems. x = {84.850788594, -23.570788594}

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