3x^2-41=-4x^2-7x-24

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Solution for 3x^2-41=-4x^2-7x-24 equation:


Simplifying
3x2 + -41 = -4x2 + -7x + -24

Reorder the terms:
-41 + 3x2 = -4x2 + -7x + -24

Reorder the terms:
-41 + 3x2 = -24 + -7x + -4x2

Solving
-41 + 3x2 = -24 + -7x + -4x2

Solving for variable 'x'.

Reorder the terms:
-41 + 24 + 7x + 3x2 + 4x2 = -24 + -7x + -4x2 + 24 + 7x + 4x2

Combine like terms: -41 + 24 = -17
-17 + 7x + 3x2 + 4x2 = -24 + -7x + -4x2 + 24 + 7x + 4x2

Combine like terms: 3x2 + 4x2 = 7x2
-17 + 7x + 7x2 = -24 + -7x + -4x2 + 24 + 7x + 4x2

Reorder the terms:
-17 + 7x + 7x2 = -24 + 24 + -7x + 7x + -4x2 + 4x2

Combine like terms: -24 + 24 = 0
-17 + 7x + 7x2 = 0 + -7x + 7x + -4x2 + 4x2
-17 + 7x + 7x2 = -7x + 7x + -4x2 + 4x2

Combine like terms: -7x + 7x = 0
-17 + 7x + 7x2 = 0 + -4x2 + 4x2
-17 + 7x + 7x2 = -4x2 + 4x2

Combine like terms: -4x2 + 4x2 = 0
-17 + 7x + 7x2 = 0

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

Divide each side by '7'.
-2.428571429 + x + x2 = 0

Move the constant term to the right:

Add '2.428571429' to each side of the equation.
-2.428571429 + x + 2.428571429 + x2 = 0 + 2.428571429

Reorder the terms:
-2.428571429 + 2.428571429 + x + x2 = 0 + 2.428571429

Combine like terms: -2.428571429 + 2.428571429 = 0.000000000
0.000000000 + x + x2 = 0 + 2.428571429
x + x2 = 0 + 2.428571429

Combine like terms: 0 + 2.428571429 = 2.428571429
x + x2 = 2.428571429

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
 + 0.25 + x2 = 2.428571429 + 0.25

Combine like terms:  + 0.25 = 1.25
1.25 + x2 = 2.428571429 + 0.25

Combine like terms: 2.428571429 + 0.25 = 2.678571429
1.25 + x2 = 2.678571429

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 2.678571429

Calculate the square root of the right side: 1.636634177

Break this problem into two subproblems by setting 
(x + 0.5) equal to 1.636634177 and -1.636634177.

Subproblem 1

x + 0.5 = 1.636634177 Simplifying x + 0.5 = 1.636634177 Reorder the terms: 0.5 + x = 1.636634177 Solving 0.5 + x = 1.636634177 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 1.636634177 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 1.636634177 + -0.5 x = 1.636634177 + -0.5 Combine like terms: 1.636634177 + -0.5 = 1.136634177 x = 1.136634177 Simplifying x = 1.136634177

Subproblem 2

x + 0.5 = -1.636634177 Simplifying x + 0.5 = -1.636634177 Reorder the terms: 0.5 + x = -1.636634177 Solving 0.5 + x = -1.636634177 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -1.636634177 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -1.636634177 + -0.5 x = -1.636634177 + -0.5 Combine like terms: -1.636634177 + -0.5 = -2.136634177 x = -2.136634177 Simplifying x = -2.136634177

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.136634177, -2.136634177}

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