1358=x^2-17x

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Solution for 1358=x^2-17x equation:


Simplifying
1358 = x2 + -17x

Reorder the terms:
1358 = -17x + x2

Solving
1358 = -17x + x2

Solving for variable 'x'.

Reorder the terms:
1358 + 17x + -1x2 = -17x + 17x + x2 + -1x2

Combine like terms: -17x + 17x = 0
1358 + 17x + -1x2 = 0 + x2 + -1x2
1358 + 17x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
1358 + 17x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-1358 + -17x + x2 = 0

Move the constant term to the right:

Add '1358' to each side of the equation.
-1358 + -17x + 1358 + x2 = 0 + 1358

Reorder the terms:
-1358 + 1358 + -17x + x2 = 0 + 1358

Combine like terms: -1358 + 1358 = 0
0 + -17x + x2 = 0 + 1358
-17x + x2 = 0 + 1358

Combine like terms: 0 + 1358 = 1358
-17x + x2 = 1358

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 = 1358 + 72.25

Reorder the terms:
72.25 + -17x + x2 = 1358 + 72.25

Combine like terms: 1358 + 72.25 = 1430.25
72.25 + -17x + x2 = 1430.25

Factor a perfect square on the left side:
(x + -8.5)(x + -8.5) = 1430.25

Calculate the square root of the right side: 37.818646195

Break this problem into two subproblems by setting 
(x + -8.5) equal to 37.818646195 and -37.818646195.

Subproblem 1

x + -8.5 = 37.818646195 Simplifying x + -8.5 = 37.818646195 Reorder the terms: -8.5 + x = 37.818646195 Solving -8.5 + x = 37.818646195 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 = 37.818646195 + 8.5 Combine like terms: -8.5 + 8.5 = 0.0 0.0 + x = 37.818646195 + 8.5 x = 37.818646195 + 8.5 Combine like terms: 37.818646195 + 8.5 = 46.318646195 x = 46.318646195 Simplifying x = 46.318646195

Subproblem 2

x + -8.5 = -37.818646195 Simplifying x + -8.5 = -37.818646195 Reorder the terms: -8.5 + x = -37.818646195 Solving -8.5 + x = -37.818646195 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 = -37.818646195 + 8.5 Combine like terms: -8.5 + 8.5 = 0.0 0.0 + x = -37.818646195 + 8.5 x = -37.818646195 + 8.5 Combine like terms: -37.818646195 + 8.5 = -29.318646195 x = -29.318646195 Simplifying x = -29.318646195

Solution

The solution to the problem is based on the solutions from the subproblems. x = {46.318646195, -29.318646195}

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