45x+6=5-x^2

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Solution for 45x+6=5-x^2 equation:


Simplifying
45x + 6 = 5 + -1x2

Reorder the terms:
6 + 45x = 5 + -1x2

Solving
6 + 45x = 5 + -1x2

Solving for variable 'x'.

Reorder the terms:
6 + -5 + 45x + x2 = 5 + -1x2 + -5 + x2

Combine like terms: 6 + -5 = 1
1 + 45x + x2 = 5 + -1x2 + -5 + x2

Reorder the terms:
1 + 45x + x2 = 5 + -5 + -1x2 + x2

Combine like terms: 5 + -5 = 0
1 + 45x + x2 = 0 + -1x2 + x2
1 + 45x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
1 + 45x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + 45x + -1 + x2 = 0 + -1

Reorder the terms:
1 + -1 + 45x + x2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 45x + x2 = 0 + -1
45x + x2 = 0 + -1

Combine like terms: 0 + -1 = -1
45x + x2 = -1

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 = -1 + 506.25

Reorder the terms:
506.25 + 45x + x2 = -1 + 506.25

Combine like terms: -1 + 506.25 = 505.25
506.25 + 45x + x2 = 505.25

Factor a perfect square on the left side:
(x + 22.5)(x + 22.5) = 505.25

Calculate the square root of the right side: 22.477766793

Break this problem into two subproblems by setting 
(x + 22.5) equal to 22.477766793 and -22.477766793.

Subproblem 1

x + 22.5 = 22.477766793 Simplifying x + 22.5 = 22.477766793 Reorder the terms: 22.5 + x = 22.477766793 Solving 22.5 + x = 22.477766793 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 = 22.477766793 + -22.5 Combine like terms: 22.5 + -22.5 = 0.0 0.0 + x = 22.477766793 + -22.5 x = 22.477766793 + -22.5 Combine like terms: 22.477766793 + -22.5 = -0.022233207 x = -0.022233207 Simplifying x = -0.022233207

Subproblem 2

x + 22.5 = -22.477766793 Simplifying x + 22.5 = -22.477766793 Reorder the terms: 22.5 + x = -22.477766793 Solving 22.5 + x = -22.477766793 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 = -22.477766793 + -22.5 Combine like terms: 22.5 + -22.5 = 0.0 0.0 + x = -22.477766793 + -22.5 x = -22.477766793 + -22.5 Combine like terms: -22.477766793 + -22.5 = -44.977766793 x = -44.977766793 Simplifying x = -44.977766793

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.022233207, -44.977766793}

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