x^2+10x-6=19x+8

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Solution for x^2+10x-6=19x+8 equation:


Simplifying
x2 + 10x + -6 = 19x + 8

Reorder the terms:
-6 + 10x + x2 = 19x + 8

Reorder the terms:
-6 + 10x + x2 = 8 + 19x

Solving
-6 + 10x + x2 = 8 + 19x

Solving for variable 'x'.

Reorder the terms:
-6 + -8 + 10x + -19x + x2 = 8 + 19x + -8 + -19x

Combine like terms: -6 + -8 = -14
-14 + 10x + -19x + x2 = 8 + 19x + -8 + -19x

Combine like terms: 10x + -19x = -9x
-14 + -9x + x2 = 8 + 19x + -8 + -19x

Reorder the terms:
-14 + -9x + x2 = 8 + -8 + 19x + -19x

Combine like terms: 8 + -8 = 0
-14 + -9x + x2 = 0 + 19x + -19x
-14 + -9x + x2 = 19x + -19x

Combine like terms: 19x + -19x = 0
-14 + -9x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '14' to each side of the equation.
-14 + -9x + 14 + x2 = 0 + 14

Reorder the terms:
-14 + 14 + -9x + x2 = 0 + 14

Combine like terms: -14 + 14 = 0
0 + -9x + x2 = 0 + 14
-9x + x2 = 0 + 14

Combine like terms: 0 + 14 = 14
-9x + x2 = 14

The x term is -9x.  Take half its coefficient (-4.5).
Square it (20.25) and add it to both sides.

Add '20.25' to each side of the equation.
-9x + 20.25 + x2 = 14 + 20.25

Reorder the terms:
20.25 + -9x + x2 = 14 + 20.25

Combine like terms: 14 + 20.25 = 34.25
20.25 + -9x + x2 = 34.25

Factor a perfect square on the left side:
(x + -4.5)(x + -4.5) = 34.25

Calculate the square root of the right side: 5.852349955

Break this problem into two subproblems by setting 
(x + -4.5) equal to 5.852349955 and -5.852349955.

Subproblem 1

x + -4.5 = 5.852349955 Simplifying x + -4.5 = 5.852349955 Reorder the terms: -4.5 + x = 5.852349955 Solving -4.5 + x = 5.852349955 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.5' to each side of the equation. -4.5 + 4.5 + x = 5.852349955 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 0.0 + x = 5.852349955 + 4.5 x = 5.852349955 + 4.5 Combine like terms: 5.852349955 + 4.5 = 10.352349955 x = 10.352349955 Simplifying x = 10.352349955

Subproblem 2

x + -4.5 = -5.852349955 Simplifying x + -4.5 = -5.852349955 Reorder the terms: -4.5 + x = -5.852349955 Solving -4.5 + x = -5.852349955 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.5' to each side of the equation. -4.5 + 4.5 + x = -5.852349955 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 0.0 + x = -5.852349955 + 4.5 x = -5.852349955 + 4.5 Combine like terms: -5.852349955 + 4.5 = -1.352349955 x = -1.352349955 Simplifying x = -1.352349955

Solution

The solution to the problem is based on the solutions from the subproblems. x = {10.352349955, -1.352349955}

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