(x+7)+(x+5)+(x^2-3)+(4x-3)=49

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Solution for (x+7)+(x+5)+(x^2-3)+(4x-3)=49 equation:


Simplifying
(x + 7) + (x + 5) + (x2 + -3) + (4x + -3) = 49

Reorder the terms:
(7 + x) + (x + 5) + (x2 + -3) + (4x + -3) = 49

Remove parenthesis around (7 + x)
7 + x + (x + 5) + (x2 + -3) + (4x + -3) = 49

Reorder the terms:
7 + x + (5 + x) + (x2 + -3) + (4x + -3) = 49

Remove parenthesis around (5 + x)
7 + x + 5 + x + (x2 + -3) + (4x + -3) = 49

Reorder the terms:
7 + x + 5 + x + (-3 + x2) + (4x + -3) = 49

Remove parenthesis around (-3 + x2)
7 + x + 5 + x + -3 + x2 + (4x + -3) = 49

Reorder the terms:
7 + x + 5 + x + -3 + x2 + (-3 + 4x) = 49

Remove parenthesis around (-3 + 4x)
7 + x + 5 + x + -3 + x2 + -3 + 4x = 49

Reorder the terms:
7 + 5 + -3 + -3 + x + x + 4x + x2 = 49

Combine like terms: 7 + 5 = 12
12 + -3 + -3 + x + x + 4x + x2 = 49

Combine like terms: 12 + -3 = 9
9 + -3 + x + x + 4x + x2 = 49

Combine like terms: 9 + -3 = 6
6 + x + x + 4x + x2 = 49

Combine like terms: x + x = 2x
6 + 2x + 4x + x2 = 49

Combine like terms: 2x + 4x = 6x
6 + 6x + x2 = 49

Solving
6 + 6x + x2 = 49

Solving for variable 'x'.

Reorder the terms:
6 + -49 + 6x + x2 = 49 + -49

Combine like terms: 6 + -49 = -43
-43 + 6x + x2 = 49 + -49

Combine like terms: 49 + -49 = 0
-43 + 6x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '43' to each side of the equation.
-43 + 6x + 43 + x2 = 0 + 43

Reorder the terms:
-43 + 43 + 6x + x2 = 0 + 43

Combine like terms: -43 + 43 = 0
0 + 6x + x2 = 0 + 43
6x + x2 = 0 + 43

Combine like terms: 0 + 43 = 43
6x + x2 = 43

The x term is 6x.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6x + 9 + x2 = 43 + 9

Reorder the terms:
9 + 6x + x2 = 43 + 9

Combine like terms: 43 + 9 = 52
9 + 6x + x2 = 52

Factor a perfect square on the left side:
(x + 3)(x + 3) = 52

Calculate the square root of the right side: 7.211102551

Break this problem into two subproblems by setting 
(x + 3) equal to 7.211102551 and -7.211102551.

Subproblem 1

x + 3 = 7.211102551 Simplifying x + 3 = 7.211102551 Reorder the terms: 3 + x = 7.211102551 Solving 3 + x = 7.211102551 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 7.211102551 + -3 Combine like terms: 3 + -3 = 0 0 + x = 7.211102551 + -3 x = 7.211102551 + -3 Combine like terms: 7.211102551 + -3 = 4.211102551 x = 4.211102551 Simplifying x = 4.211102551

Subproblem 2

x + 3 = -7.211102551 Simplifying x + 3 = -7.211102551 Reorder the terms: 3 + x = -7.211102551 Solving 3 + x = -7.211102551 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = -7.211102551 + -3 Combine like terms: 3 + -3 = 0 0 + x = -7.211102551 + -3 x = -7.211102551 + -3 Combine like terms: -7.211102551 + -3 = -10.211102551 x = -10.211102551 Simplifying x = -10.211102551

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.211102551, -10.211102551}

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