x^2+5x-10+5x=6x+89

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Solution for x^2+5x-10+5x=6x+89 equation:


Simplifying
x2 + 5x + -10 + 5x = 6x + 89

Reorder the terms:
-10 + 5x + 5x + x2 = 6x + 89

Combine like terms: 5x + 5x = 10x
-10 + 10x + x2 = 6x + 89

Reorder the terms:
-10 + 10x + x2 = 89 + 6x

Solving
-10 + 10x + x2 = 89 + 6x

Solving for variable 'x'.

Reorder the terms:
-10 + -89 + 10x + -6x + x2 = 89 + 6x + -89 + -6x

Combine like terms: -10 + -89 = -99
-99 + 10x + -6x + x2 = 89 + 6x + -89 + -6x

Combine like terms: 10x + -6x = 4x
-99 + 4x + x2 = 89 + 6x + -89 + -6x

Reorder the terms:
-99 + 4x + x2 = 89 + -89 + 6x + -6x

Combine like terms: 89 + -89 = 0
-99 + 4x + x2 = 0 + 6x + -6x
-99 + 4x + x2 = 6x + -6x

Combine like terms: 6x + -6x = 0
-99 + 4x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '99' to each side of the equation.
-99 + 4x + 99 + x2 = 0 + 99

Reorder the terms:
-99 + 99 + 4x + x2 = 0 + 99

Combine like terms: -99 + 99 = 0
0 + 4x + x2 = 0 + 99
4x + x2 = 0 + 99

Combine like terms: 0 + 99 = 99
4x + x2 = 99

The x term is 4x.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4x + 4 + x2 = 99 + 4

Reorder the terms:
4 + 4x + x2 = 99 + 4

Combine like terms: 99 + 4 = 103
4 + 4x + x2 = 103

Factor a perfect square on the left side:
(x + 2)(x + 2) = 103

Calculate the square root of the right side: 10.148891565

Break this problem into two subproblems by setting 
(x + 2) equal to 10.148891565 and -10.148891565.

Subproblem 1

x + 2 = 10.148891565 Simplifying x + 2 = 10.148891565 Reorder the terms: 2 + x = 10.148891565 Solving 2 + x = 10.148891565 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 10.148891565 + -2 Combine like terms: 2 + -2 = 0 0 + x = 10.148891565 + -2 x = 10.148891565 + -2 Combine like terms: 10.148891565 + -2 = 8.148891565 x = 8.148891565 Simplifying x = 8.148891565

Subproblem 2

x + 2 = -10.148891565 Simplifying x + 2 = -10.148891565 Reorder the terms: 2 + x = -10.148891565 Solving 2 + x = -10.148891565 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = -10.148891565 + -2 Combine like terms: 2 + -2 = 0 0 + x = -10.148891565 + -2 x = -10.148891565 + -2 Combine like terms: -10.148891565 + -2 = -12.148891565 x = -12.148891565 Simplifying x = -12.148891565

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.148891565, -12.148891565}

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