x+5=-x^2-14x+49

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Solution for x+5=-x^2-14x+49 equation:


Simplifying
x + 5 = -1x2 + -14x + 49

Reorder the terms:
5 + x = -1x2 + -14x + 49

Reorder the terms:
5 + x = 49 + -14x + -1x2

Solving
5 + x = 49 + -14x + -1x2

Solving for variable 'x'.

Reorder the terms:
5 + -49 + x + 14x + x2 = 49 + -14x + -1x2 + -49 + 14x + x2

Combine like terms: 5 + -49 = -44
-44 + x + 14x + x2 = 49 + -14x + -1x2 + -49 + 14x + x2

Combine like terms: x + 14x = 15x
-44 + 15x + x2 = 49 + -14x + -1x2 + -49 + 14x + x2

Reorder the terms:
-44 + 15x + x2 = 49 + -49 + -14x + 14x + -1x2 + x2

Combine like terms: 49 + -49 = 0
-44 + 15x + x2 = 0 + -14x + 14x + -1x2 + x2
-44 + 15x + x2 = -14x + 14x + -1x2 + x2

Combine like terms: -14x + 14x = 0
-44 + 15x + x2 = 0 + -1x2 + x2
-44 + 15x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
-44 + 15x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '44' to each side of the equation.
-44 + 15x + 44 + x2 = 0 + 44

Reorder the terms:
-44 + 44 + 15x + x2 = 0 + 44

Combine like terms: -44 + 44 = 0
0 + 15x + x2 = 0 + 44
15x + x2 = 0 + 44

Combine like terms: 0 + 44 = 44
15x + x2 = 44

The x term is 15x.  Take half its coefficient (7.5).
Square it (56.25) and add it to both sides.

Add '56.25' to each side of the equation.
15x + 56.25 + x2 = 44 + 56.25

Reorder the terms:
56.25 + 15x + x2 = 44 + 56.25

Combine like terms: 44 + 56.25 = 100.25
56.25 + 15x + x2 = 100.25

Factor a perfect square on the left side:
(x + 7.5)(x + 7.5) = 100.25

Calculate the square root of the right side: 10.012492197

Break this problem into two subproblems by setting 
(x + 7.5) equal to 10.012492197 and -10.012492197.

Subproblem 1

x + 7.5 = 10.012492197 Simplifying x + 7.5 = 10.012492197 Reorder the terms: 7.5 + x = 10.012492197 Solving 7.5 + x = 10.012492197 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7.5' to each side of the equation. 7.5 + -7.5 + x = 10.012492197 + -7.5 Combine like terms: 7.5 + -7.5 = 0.0 0.0 + x = 10.012492197 + -7.5 x = 10.012492197 + -7.5 Combine like terms: 10.012492197 + -7.5 = 2.512492197 x = 2.512492197 Simplifying x = 2.512492197

Subproblem 2

x + 7.5 = -10.012492197 Simplifying x + 7.5 = -10.012492197 Reorder the terms: 7.5 + x = -10.012492197 Solving 7.5 + x = -10.012492197 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7.5' to each side of the equation. 7.5 + -7.5 + x = -10.012492197 + -7.5 Combine like terms: 7.5 + -7.5 = 0.0 0.0 + x = -10.012492197 + -7.5 x = -10.012492197 + -7.5 Combine like terms: -10.012492197 + -7.5 = -17.512492197 x = -17.512492197 Simplifying x = -17.512492197

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.512492197, -17.512492197}

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