3(X^2+3X+4)=44

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Solution for 3(X^2+3X+4)=44 equation:


Simplifying
3(X2 + 3X + 4) = 44

Reorder the terms:
3(4 + 3X + X2) = 44
(4 * 3 + 3X * 3 + X2 * 3) = 44
(12 + 9X + 3X2) = 44

Solving
12 + 9X + 3X2 = 44

Solving for variable 'X'.

Reorder the terms:
12 + -44 + 9X + 3X2 = 44 + -44

Combine like terms: 12 + -44 = -32
-32 + 9X + 3X2 = 44 + -44

Combine like terms: 44 + -44 = 0
-32 + 9X + 3X2 = 0

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

Divide each side by '3'.
-10.66666667 + 3X + X2 = 0

Move the constant term to the right:

Add '10.66666667' to each side of the equation.
-10.66666667 + 3X + 10.66666667 + X2 = 0 + 10.66666667

Reorder the terms:
-10.66666667 + 10.66666667 + 3X + X2 = 0 + 10.66666667

Combine like terms: -10.66666667 + 10.66666667 = 0.00000000
0.00000000 + 3X + X2 = 0 + 10.66666667
3X + X2 = 0 + 10.66666667

Combine like terms: 0 + 10.66666667 = 10.66666667
3X + X2 = 10.66666667

The X term is 3X.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3X + 2.25 + X2 = 10.66666667 + 2.25

Reorder the terms:
2.25 + 3X + X2 = 10.66666667 + 2.25

Combine like terms: 10.66666667 + 2.25 = 12.91666667
2.25 + 3X + X2 = 12.91666667

Factor a perfect square on the left side:
(X + 1.5)(X + 1.5) = 12.91666667

Calculate the square root of the right side: 3.593976443

Break this problem into two subproblems by setting 
(X + 1.5) equal to 3.593976443 and -3.593976443.

Subproblem 1

X + 1.5 = 3.593976443 Simplifying X + 1.5 = 3.593976443 Reorder the terms: 1.5 + X = 3.593976443 Solving 1.5 + X = 3.593976443 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + X = 3.593976443 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + X = 3.593976443 + -1.5 X = 3.593976443 + -1.5 Combine like terms: 3.593976443 + -1.5 = 2.093976443 X = 2.093976443 Simplifying X = 2.093976443

Subproblem 2

X + 1.5 = -3.593976443 Simplifying X + 1.5 = -3.593976443 Reorder the terms: 1.5 + X = -3.593976443 Solving 1.5 + X = -3.593976443 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + X = -3.593976443 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + X = -3.593976443 + -1.5 X = -3.593976443 + -1.5 Combine like terms: -3.593976443 + -1.5 = -5.093976443 X = -5.093976443 Simplifying X = -5.093976443

Solution

The solution to the problem is based on the solutions from the subproblems. X = {2.093976443, -5.093976443}

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