x^2+25x+3+3x+15-3=

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Solution for x^2+25x+3+3x+15-3= equation:


Simplifying
x2 + 25x + 3 + 3x + 15 + -3 = 0

Reorder the terms:
3 + 15 + -3 + 25x + 3x + x2 = 0

Combine like terms: 3 + 15 = 18
18 + -3 + 25x + 3x + x2 = 0

Combine like terms: 18 + -3 = 15
15 + 25x + 3x + x2 = 0

Combine like terms: 25x + 3x = 28x
15 + 28x + x2 = 0

Solving
15 + 28x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-15' to each side of the equation.
15 + 28x + -15 + x2 = 0 + -15

Reorder the terms:
15 + -15 + 28x + x2 = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 28x + x2 = 0 + -15
28x + x2 = 0 + -15

Combine like terms: 0 + -15 = -15
28x + x2 = -15

The x term is 28x.  Take half its coefficient (14).
Square it (196) and add it to both sides.

Add '196' to each side of the equation.
28x + 196 + x2 = -15 + 196

Reorder the terms:
196 + 28x + x2 = -15 + 196

Combine like terms: -15 + 196 = 181
196 + 28x + x2 = 181

Factor a perfect square on the left side:
(x + 14)(x + 14) = 181

Calculate the square root of the right side: 13.453624047

Break this problem into two subproblems by setting 
(x + 14) equal to 13.453624047 and -13.453624047.

Subproblem 1

x + 14 = 13.453624047 Simplifying x + 14 = 13.453624047 Reorder the terms: 14 + x = 13.453624047 Solving 14 + x = 13.453624047 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-14' to each side of the equation. 14 + -14 + x = 13.453624047 + -14 Combine like terms: 14 + -14 = 0 0 + x = 13.453624047 + -14 x = 13.453624047 + -14 Combine like terms: 13.453624047 + -14 = -0.546375953 x = -0.546375953 Simplifying x = -0.546375953

Subproblem 2

x + 14 = -13.453624047 Simplifying x + 14 = -13.453624047 Reorder the terms: 14 + x = -13.453624047 Solving 14 + x = -13.453624047 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-14' to each side of the equation. 14 + -14 + x = -13.453624047 + -14 Combine like terms: 14 + -14 = 0 0 + x = -13.453624047 + -14 x = -13.453624047 + -14 Combine like terms: -13.453624047 + -14 = -27.453624047 x = -27.453624047 Simplifying x = -27.453624047

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.546375953, -27.453624047}

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