x^2+157x=73790

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Solution for x^2+157x=73790 equation:


Simplifying
x2 + 157x = 73790

Reorder the terms:
157x + x2 = 73790

Solving
157x + x2 = 73790

Solving for variable 'x'.

Reorder the terms:
-73790 + 157x + x2 = 73790 + -73790

Combine like terms: 73790 + -73790 = 0
-73790 + 157x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '73790' to each side of the equation.
-73790 + 157x + 73790 + x2 = 0 + 73790

Reorder the terms:
-73790 + 73790 + 157x + x2 = 0 + 73790

Combine like terms: -73790 + 73790 = 0
0 + 157x + x2 = 0 + 73790
157x + x2 = 0 + 73790

Combine like terms: 0 + 73790 = 73790
157x + x2 = 73790

The x term is 157x.  Take half its coefficient (78.5).
Square it (6162.25) and add it to both sides.

Add '6162.25' to each side of the equation.
157x + 6162.25 + x2 = 73790 + 6162.25

Reorder the terms:
6162.25 + 157x + x2 = 73790 + 6162.25

Combine like terms: 73790 + 6162.25 = 79952.25
6162.25 + 157x + x2 = 79952.25

Factor a perfect square on the left side:
(x + 78.5)(x + 78.5) = 79952.25

Calculate the square root of the right side: 282.758289003

Break this problem into two subproblems by setting 
(x + 78.5) equal to 282.758289003 and -282.758289003.

Subproblem 1

x + 78.5 = 282.758289003 Simplifying x + 78.5 = 282.758289003 Reorder the terms: 78.5 + x = 282.758289003 Solving 78.5 + x = 282.758289003 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-78.5' to each side of the equation. 78.5 + -78.5 + x = 282.758289003 + -78.5 Combine like terms: 78.5 + -78.5 = 0.0 0.0 + x = 282.758289003 + -78.5 x = 282.758289003 + -78.5 Combine like terms: 282.758289003 + -78.5 = 204.258289003 x = 204.258289003 Simplifying x = 204.258289003

Subproblem 2

x + 78.5 = -282.758289003 Simplifying x + 78.5 = -282.758289003 Reorder the terms: 78.5 + x = -282.758289003 Solving 78.5 + x = -282.758289003 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-78.5' to each side of the equation. 78.5 + -78.5 + x = -282.758289003 + -78.5 Combine like terms: 78.5 + -78.5 = 0.0 0.0 + x = -282.758289003 + -78.5 x = -282.758289003 + -78.5 Combine like terms: -282.758289003 + -78.5 = -361.258289003 x = -361.258289003 Simplifying x = -361.258289003

Solution

The solution to the problem is based on the solutions from the subproblems. x = {204.258289003, -361.258289003}

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