x^2+45x+350=1000

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Solution for x^2+45x+350=1000 equation:


Simplifying
x2 + 45x + 350 = 1000

Reorder the terms:
350 + 45x + x2 = 1000

Solving
350 + 45x + x2 = 1000

Solving for variable 'x'.

Reorder the terms:
350 + -1000 + 45x + x2 = 1000 + -1000

Combine like terms: 350 + -1000 = -650
-650 + 45x + x2 = 1000 + -1000

Combine like terms: 1000 + -1000 = 0
-650 + 45x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '650' to each side of the equation.
-650 + 45x + 650 + x2 = 0 + 650

Reorder the terms:
-650 + 650 + 45x + x2 = 0 + 650

Combine like terms: -650 + 650 = 0
0 + 45x + x2 = 0 + 650
45x + x2 = 0 + 650

Combine like terms: 0 + 650 = 650
45x + x2 = 650

The x term is 45x.  Take half its coefficient (22.5).
Square it (506.25) and add it to both sides.

Add '506.25' to each side of the equation.
45x + 506.25 + x2 = 650 + 506.25

Reorder the terms:
506.25 + 45x + x2 = 650 + 506.25

Combine like terms: 650 + 506.25 = 1156.25
506.25 + 45x + x2 = 1156.25

Factor a perfect square on the left side:
(x + 22.5)(x + 22.5) = 1156.25

Calculate the square root of the right side: 34.003676272

Break this problem into two subproblems by setting 
(x + 22.5) equal to 34.003676272 and -34.003676272.

Subproblem 1

x + 22.5 = 34.003676272 Simplifying x + 22.5 = 34.003676272 Reorder the terms: 22.5 + x = 34.003676272 Solving 22.5 + x = 34.003676272 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-22.5' to each side of the equation. 22.5 + -22.5 + x = 34.003676272 + -22.5 Combine like terms: 22.5 + -22.5 = 0.0 0.0 + x = 34.003676272 + -22.5 x = 34.003676272 + -22.5 Combine like terms: 34.003676272 + -22.5 = 11.503676272 x = 11.503676272 Simplifying x = 11.503676272

Subproblem 2

x + 22.5 = -34.003676272 Simplifying x + 22.5 = -34.003676272 Reorder the terms: 22.5 + x = -34.003676272 Solving 22.5 + x = -34.003676272 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-22.5' to each side of the equation. 22.5 + -22.5 + x = -34.003676272 + -22.5 Combine like terms: 22.5 + -22.5 = 0.0 0.0 + x = -34.003676272 + -22.5 x = -34.003676272 + -22.5 Combine like terms: -34.003676272 + -22.5 = -56.503676272 x = -56.503676272 Simplifying x = -56.503676272

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.503676272, -56.503676272}

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