x^2=10x+35

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Solution for x^2=10x+35 equation:


Simplifying
x2 = 10x + 35

Reorder the terms:
x2 = 35 + 10x

Solving
x2 = 35 + 10x

Solving for variable 'x'.

Reorder the terms:
-35 + -10x + x2 = 35 + 10x + -35 + -10x

Reorder the terms:
-35 + -10x + x2 = 35 + -35 + 10x + -10x

Combine like terms: 35 + -35 = 0
-35 + -10x + x2 = 0 + 10x + -10x
-35 + -10x + x2 = 10x + -10x

Combine like terms: 10x + -10x = 0
-35 + -10x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '35' to each side of the equation.
-35 + -10x + 35 + x2 = 0 + 35

Reorder the terms:
-35 + 35 + -10x + x2 = 0 + 35

Combine like terms: -35 + 35 = 0
0 + -10x + x2 = 0 + 35
-10x + x2 = 0 + 35

Combine like terms: 0 + 35 = 35
-10x + x2 = 35

The x term is -10x.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10x + 25 + x2 = 35 + 25

Reorder the terms:
25 + -10x + x2 = 35 + 25

Combine like terms: 35 + 25 = 60
25 + -10x + x2 = 60

Factor a perfect square on the left side:
(x + -5)(x + -5) = 60

Calculate the square root of the right side: 7.745966692

Break this problem into two subproblems by setting 
(x + -5) equal to 7.745966692 and -7.745966692.

Subproblem 1

x + -5 = 7.745966692 Simplifying x + -5 = 7.745966692 Reorder the terms: -5 + x = 7.745966692 Solving -5 + x = 7.745966692 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = 7.745966692 + 5 Combine like terms: -5 + 5 = 0 0 + x = 7.745966692 + 5 x = 7.745966692 + 5 Combine like terms: 7.745966692 + 5 = 12.745966692 x = 12.745966692 Simplifying x = 12.745966692

Subproblem 2

x + -5 = -7.745966692 Simplifying x + -5 = -7.745966692 Reorder the terms: -5 + x = -7.745966692 Solving -5 + x = -7.745966692 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = -7.745966692 + 5 Combine like terms: -5 + 5 = 0 0 + x = -7.745966692 + 5 x = -7.745966692 + 5 Combine like terms: -7.745966692 + 5 = -2.745966692 x = -2.745966692 Simplifying x = -2.745966692

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.745966692, -2.745966692}

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