7x^2+17-24=12-2x

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Solution for 7x^2+17-24=12-2x equation:


Simplifying
7x2 + 17 + -24 = 12 + -2x

Reorder the terms:
17 + -24 + 7x2 = 12 + -2x

Combine like terms: 17 + -24 = -7
-7 + 7x2 = 12 + -2x

Solving
-7 + 7x2 = 12 + -2x

Solving for variable 'x'.

Reorder the terms:
-7 + -12 + 2x + 7x2 = 12 + -2x + -12 + 2x

Combine like terms: -7 + -12 = -19
-19 + 2x + 7x2 = 12 + -2x + -12 + 2x

Reorder the terms:
-19 + 2x + 7x2 = 12 + -12 + -2x + 2x

Combine like terms: 12 + -12 = 0
-19 + 2x + 7x2 = 0 + -2x + 2x
-19 + 2x + 7x2 = -2x + 2x

Combine like terms: -2x + 2x = 0
-19 + 2x + 7x2 = 0

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

Divide each side by '7'.
-2.714285714 + 0.2857142857x + x2 = 0

Move the constant term to the right:

Add '2.714285714' to each side of the equation.
-2.714285714 + 0.2857142857x + 2.714285714 + x2 = 0 + 2.714285714

Reorder the terms:
-2.714285714 + 2.714285714 + 0.2857142857x + x2 = 0 + 2.714285714

Combine like terms: -2.714285714 + 2.714285714 = 0.000000000
0.000000000 + 0.2857142857x + x2 = 0 + 2.714285714
0.2857142857x + x2 = 0 + 2.714285714

Combine like terms: 0 + 2.714285714 = 2.714285714
0.2857142857x + x2 = 2.714285714

The x term is 0.2857142857x.  Take half its coefficient (0.1428571429).
Square it (0.02040816328) and add it to both sides.

Add '0.02040816328' to each side of the equation.
0.2857142857x + 0.02040816328 + x2 = 2.714285714 + 0.02040816328

Reorder the terms:
0.02040816328 + 0.2857142857x + x2 = 2.714285714 + 0.02040816328

Combine like terms: 2.714285714 + 0.02040816328 = 2.73469387728
0.02040816328 + 0.2857142857x + x2 = 2.73469387728

Factor a perfect square on the left side:
(x + 0.1428571429)(x + 0.1428571429) = 2.73469387728

Calculate the square root of the right side: 1.653690986

Break this problem into two subproblems by setting 
(x + 0.1428571429) equal to 1.653690986 and -1.653690986.

Subproblem 1

x + 0.1428571429 = 1.653690986 Simplifying x + 0.1428571429 = 1.653690986 Reorder the terms: 0.1428571429 + x = 1.653690986 Solving 0.1428571429 + x = 1.653690986 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.1428571429' to each side of the equation. 0.1428571429 + -0.1428571429 + x = 1.653690986 + -0.1428571429 Combine like terms: 0.1428571429 + -0.1428571429 = 0.0000000000 0.0000000000 + x = 1.653690986 + -0.1428571429 x = 1.653690986 + -0.1428571429 Combine like terms: 1.653690986 + -0.1428571429 = 1.5108338431 x = 1.5108338431 Simplifying x = 1.5108338431

Subproblem 2

x + 0.1428571429 = -1.653690986 Simplifying x + 0.1428571429 = -1.653690986 Reorder the terms: 0.1428571429 + x = -1.653690986 Solving 0.1428571429 + x = -1.653690986 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.1428571429' to each side of the equation. 0.1428571429 + -0.1428571429 + x = -1.653690986 + -0.1428571429 Combine like terms: 0.1428571429 + -0.1428571429 = 0.0000000000 0.0000000000 + x = -1.653690986 + -0.1428571429 x = -1.653690986 + -0.1428571429 Combine like terms: -1.653690986 + -0.1428571429 = -1.7965481289 x = -1.7965481289 Simplifying x = -1.7965481289

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.5108338431, -1.7965481289}

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