8x^2+24x+19=10-8x

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Solution for 8x^2+24x+19=10-8x equation:


Simplifying
8x2 + 24x + 19 = 10 + -8x

Reorder the terms:
19 + 24x + 8x2 = 10 + -8x

Solving
19 + 24x + 8x2 = 10 + -8x

Solving for variable 'x'.

Reorder the terms:
19 + -10 + 24x + 8x + 8x2 = 10 + -8x + -10 + 8x

Combine like terms: 19 + -10 = 9
9 + 24x + 8x + 8x2 = 10 + -8x + -10 + 8x

Combine like terms: 24x + 8x = 32x
9 + 32x + 8x2 = 10 + -8x + -10 + 8x

Reorder the terms:
9 + 32x + 8x2 = 10 + -10 + -8x + 8x

Combine like terms: 10 + -10 = 0
9 + 32x + 8x2 = 0 + -8x + 8x
9 + 32x + 8x2 = -8x + 8x

Combine like terms: -8x + 8x = 0
9 + 32x + 8x2 = 0

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

Divide each side by '8'.
1.125 + 4x + x2 = 0

Move the constant term to the right:

Add '-1.125' to each side of the equation.
1.125 + 4x + -1.125 + x2 = 0 + -1.125

Reorder the terms:
1.125 + -1.125 + 4x + x2 = 0 + -1.125

Combine like terms: 1.125 + -1.125 = 0.000
0.000 + 4x + x2 = 0 + -1.125
4x + x2 = 0 + -1.125

Combine like terms: 0 + -1.125 = -1.125
4x + x2 = -1.125

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 = -1.125 + 4

Reorder the terms:
4 + 4x + x2 = -1.125 + 4

Combine like terms: -1.125 + 4 = 2.875
4 + 4x + x2 = 2.875

Factor a perfect square on the left side:
(x + 2)(x + 2) = 2.875

Calculate the square root of the right side: 1.695582496

Break this problem into two subproblems by setting 
(x + 2) equal to 1.695582496 and -1.695582496.

Subproblem 1

x + 2 = 1.695582496 Simplifying x + 2 = 1.695582496 Reorder the terms: 2 + x = 1.695582496 Solving 2 + x = 1.695582496 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 = 1.695582496 + -2 Combine like terms: 2 + -2 = 0 0 + x = 1.695582496 + -2 x = 1.695582496 + -2 Combine like terms: 1.695582496 + -2 = -0.304417504 x = -0.304417504 Simplifying x = -0.304417504

Subproblem 2

x + 2 = -1.695582496 Simplifying x + 2 = -1.695582496 Reorder the terms: 2 + x = -1.695582496 Solving 2 + x = -1.695582496 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 = -1.695582496 + -2 Combine like terms: 2 + -2 = 0 0 + x = -1.695582496 + -2 x = -1.695582496 + -2 Combine like terms: -1.695582496 + -2 = -3.695582496 x = -3.695582496 Simplifying x = -3.695582496

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.304417504, -3.695582496}

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