170x-x^2-1000=0

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Solution for 170x-x^2-1000=0 equation:


Simplifying
170x + -1x2 + -1000 = 0

Reorder the terms:
-1000 + 170x + -1x2 = 0

Solving
-1000 + 170x + -1x2 = 0

Solving for variable 'x'.

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

Divide each side by '-1'.
1000 + -170x + x2 = 0

Move the constant term to the right:

Add '-1000' to each side of the equation.
1000 + -170x + -1000 + x2 = 0 + -1000

Reorder the terms:
1000 + -1000 + -170x + x2 = 0 + -1000

Combine like terms: 1000 + -1000 = 0
0 + -170x + x2 = 0 + -1000
-170x + x2 = 0 + -1000

Combine like terms: 0 + -1000 = -1000
-170x + x2 = -1000

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 = -1000 + 7225

Reorder the terms:
7225 + -170x + x2 = -1000 + 7225

Combine like terms: -1000 + 7225 = 6225
7225 + -170x + x2 = 6225

Factor a perfect square on the left side:
(x + -85)(x + -85) = 6225

Calculate the square root of the right side: 78.89866919

Break this problem into two subproblems by setting 
(x + -85) equal to 78.89866919 and -78.89866919.

Subproblem 1

x + -85 = 78.89866919 Simplifying x + -85 = 78.89866919 Reorder the terms: -85 + x = 78.89866919 Solving -85 + x = 78.89866919 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 = 78.89866919 + 85 Combine like terms: -85 + 85 = 0 0 + x = 78.89866919 + 85 x = 78.89866919 + 85 Combine like terms: 78.89866919 + 85 = 163.89866919 x = 163.89866919 Simplifying x = 163.89866919

Subproblem 2

x + -85 = -78.89866919 Simplifying x + -85 = -78.89866919 Reorder the terms: -85 + x = -78.89866919 Solving -85 + x = -78.89866919 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 = -78.89866919 + 85 Combine like terms: -85 + 85 = 0 0 + x = -78.89866919 + 85 x = -78.89866919 + 85 Combine like terms: -78.89866919 + 85 = 6.10133081 x = 6.10133081 Simplifying x = 6.10133081

Solution

The solution to the problem is based on the solutions from the subproblems. x = {163.89866919, 6.10133081}

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