17+x^2-15x=2

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Solution for 17+x^2-15x=2 equation:


Simplifying
17 + x2 + -15x = 2

Reorder the terms:
17 + -15x + x2 = 2

Solving
17 + -15x + x2 = 2

Solving for variable 'x'.

Reorder the terms:
17 + -2 + -15x + x2 = 2 + -2

Combine like terms: 17 + -2 = 15
15 + -15x + x2 = 2 + -2

Combine like terms: 2 + -2 = 0
15 + -15x + x2 = 0

Begin completing the square.

Move the constant term to the right:

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

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

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

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

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 = -15 + 56.25

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

Combine like terms: -15 + 56.25 = 41.25
56.25 + -15x + x2 = 41.25

Factor a perfect square on the left side:
(x + -7.5)(x + -7.5) = 41.25

Calculate the square root of the right side: 6.422616289

Break this problem into two subproblems by setting 
(x + -7.5) equal to 6.422616289 and -6.422616289.

Subproblem 1

x + -7.5 = 6.422616289 Simplifying x + -7.5 = 6.422616289 Reorder the terms: -7.5 + x = 6.422616289 Solving -7.5 + x = 6.422616289 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 = 6.422616289 + 7.5 Combine like terms: -7.5 + 7.5 = 0.0 0.0 + x = 6.422616289 + 7.5 x = 6.422616289 + 7.5 Combine like terms: 6.422616289 + 7.5 = 13.922616289 x = 13.922616289 Simplifying x = 13.922616289

Subproblem 2

x + -7.5 = -6.422616289 Simplifying x + -7.5 = -6.422616289 Reorder the terms: -7.5 + x = -6.422616289 Solving -7.5 + x = -6.422616289 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 = -6.422616289 + 7.5 Combine like terms: -7.5 + 7.5 = 0.0 0.0 + x = -6.422616289 + 7.5 x = -6.422616289 + 7.5 Combine like terms: -6.422616289 + 7.5 = 1.077383711 x = 1.077383711 Simplifying x = 1.077383711

Solution

The solution to the problem is based on the solutions from the subproblems. x = {13.922616289, 1.077383711}

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