24*14=x(x+8)

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Solution for 24*14=x(x+8) equation:


Simplifying
24 * 14 = x(x + 8)

Multiply 24 * 14
336 = x(x + 8)

Reorder the terms:
336 = x(8 + x)
336 = (8 * x + x * x)
336 = (8x + x2)

Solving
336 = 8x + x2

Solving for variable 'x'.

Reorder the terms:
336 + -8x + -1x2 = 8x + -8x + x2 + -1x2

Combine like terms: 8x + -8x = 0
336 + -8x + -1x2 = 0 + x2 + -1x2
336 + -8x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
336 + -8x + -1x2 = 0

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

Divide each side by '-1'.
-336 + 8x + x2 = 0

Move the constant term to the right:

Add '336' to each side of the equation.
-336 + 8x + 336 + x2 = 0 + 336

Reorder the terms:
-336 + 336 + 8x + x2 = 0 + 336

Combine like terms: -336 + 336 = 0
0 + 8x + x2 = 0 + 336
8x + x2 = 0 + 336

Combine like terms: 0 + 336 = 336
8x + x2 = 336

The x term is 8x.  Take half its coefficient (4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
8x + 16 + x2 = 336 + 16

Reorder the terms:
16 + 8x + x2 = 336 + 16

Combine like terms: 336 + 16 = 352
16 + 8x + x2 = 352

Factor a perfect square on the left side:
(x + 4)(x + 4) = 352

Calculate the square root of the right side: 18.761663039

Break this problem into two subproblems by setting 
(x + 4) equal to 18.761663039 and -18.761663039.

Subproblem 1

x + 4 = 18.761663039 Simplifying x + 4 = 18.761663039 Reorder the terms: 4 + x = 18.761663039 Solving 4 + x = 18.761663039 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 18.761663039 + -4 Combine like terms: 4 + -4 = 0 0 + x = 18.761663039 + -4 x = 18.761663039 + -4 Combine like terms: 18.761663039 + -4 = 14.761663039 x = 14.761663039 Simplifying x = 14.761663039

Subproblem 2

x + 4 = -18.761663039 Simplifying x + 4 = -18.761663039 Reorder the terms: 4 + x = -18.761663039 Solving 4 + x = -18.761663039 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = -18.761663039 + -4 Combine like terms: 4 + -4 = 0 0 + x = -18.761663039 + -4 x = -18.761663039 + -4 Combine like terms: -18.761663039 + -4 = -22.761663039 x = -22.761663039 Simplifying x = -22.761663039

Solution

The solution to the problem is based on the solutions from the subproblems. x = {14.761663039, -22.761663039}

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