2x^2+17x+37=x^2+25

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Solution for 2x^2+17x+37=x^2+25 equation:


Simplifying
2x2 + 17x + 37 = x2 + 25

Reorder the terms:
37 + 17x + 2x2 = x2 + 25

Reorder the terms:
37 + 17x + 2x2 = 25 + x2

Solving
37 + 17x + 2x2 = 25 + x2

Solving for variable 'x'.

Reorder the terms:
37 + -25 + 17x + 2x2 + -1x2 = 25 + x2 + -25 + -1x2

Combine like terms: 37 + -25 = 12
12 + 17x + 2x2 + -1x2 = 25 + x2 + -25 + -1x2

Combine like terms: 2x2 + -1x2 = 1x2
12 + 17x + 1x2 = 25 + x2 + -25 + -1x2

Reorder the terms:
12 + 17x + 1x2 = 25 + -25 + x2 + -1x2

Combine like terms: 25 + -25 = 0
12 + 17x + 1x2 = 0 + x2 + -1x2
12 + 17x + 1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
12 + 17x + 1x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-12' to each side of the equation.
12 + 17x + -12 + x2 = 0 + -12

Reorder the terms:
12 + -12 + 17x + x2 = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 17x + x2 = 0 + -12
17x + x2 = 0 + -12

Combine like terms: 0 + -12 = -12
17x + x2 = -12

The x term is 17x.  Take half its coefficient (8.5).
Square it (72.25) and add it to both sides.

Add '72.25' to each side of the equation.
17x + 72.25 + x2 = -12 + 72.25

Reorder the terms:
72.25 + 17x + x2 = -12 + 72.25

Combine like terms: -12 + 72.25 = 60.25
72.25 + 17x + x2 = 60.25

Factor a perfect square on the left side:
(x + 8.5)(x + 8.5) = 60.25

Calculate the square root of the right side: 7.762087348

Break this problem into two subproblems by setting 
(x + 8.5) equal to 7.762087348 and -7.762087348.

Subproblem 1

x + 8.5 = 7.762087348 Simplifying x + 8.5 = 7.762087348 Reorder the terms: 8.5 + x = 7.762087348 Solving 8.5 + x = 7.762087348 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8.5' to each side of the equation. 8.5 + -8.5 + x = 7.762087348 + -8.5 Combine like terms: 8.5 + -8.5 = 0.0 0.0 + x = 7.762087348 + -8.5 x = 7.762087348 + -8.5 Combine like terms: 7.762087348 + -8.5 = -0.737912652 x = -0.737912652 Simplifying x = -0.737912652

Subproblem 2

x + 8.5 = -7.762087348 Simplifying x + 8.5 = -7.762087348 Reorder the terms: 8.5 + x = -7.762087348 Solving 8.5 + x = -7.762087348 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8.5' to each side of the equation. 8.5 + -8.5 + x = -7.762087348 + -8.5 Combine like terms: 8.5 + -8.5 = 0.0 0.0 + x = -7.762087348 + -8.5 x = -7.762087348 + -8.5 Combine like terms: -7.762087348 + -8.5 = -16.262087348 x = -16.262087348 Simplifying x = -16.262087348

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.737912652, -16.262087348}

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