X^2+6X=34

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Solution for X^2+6X=34 equation:


Simplifying
X2 + 6X = 34

Reorder the terms:
6X + X2 = 34

Solving
6X + X2 = 34

Solving for variable 'X'.

Reorder the terms:
-34 + 6X + X2 = 34 + -34

Combine like terms: 34 + -34 = 0
-34 + 6X + X2 = 0

Begin completing the square.

Move the constant term to the right:

Add '34' to each side of the equation.
-34 + 6X + 34 + X2 = 0 + 34

Reorder the terms:
-34 + 34 + 6X + X2 = 0 + 34

Combine like terms: -34 + 34 = 0
0 + 6X + X2 = 0 + 34
6X + X2 = 0 + 34

Combine like terms: 0 + 34 = 34
6X + X2 = 34

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 = 34 + 9

Reorder the terms:
9 + 6X + X2 = 34 + 9

Combine like terms: 34 + 9 = 43
9 + 6X + X2 = 43

Factor a perfect square on the left side:
(X + 3)(X + 3) = 43

Calculate the square root of the right side: 6.557438524

Break this problem into two subproblems by setting 
(X + 3) equal to 6.557438524 and -6.557438524.

Subproblem 1

X + 3 = 6.557438524 Simplifying X + 3 = 6.557438524 Reorder the terms: 3 + X = 6.557438524 Solving 3 + X = 6.557438524 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 = 6.557438524 + -3 Combine like terms: 3 + -3 = 0 0 + X = 6.557438524 + -3 X = 6.557438524 + -3 Combine like terms: 6.557438524 + -3 = 3.557438524 X = 3.557438524 Simplifying X = 3.557438524

Subproblem 2

X + 3 = -6.557438524 Simplifying X + 3 = -6.557438524 Reorder the terms: 3 + X = -6.557438524 Solving 3 + X = -6.557438524 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 = -6.557438524 + -3 Combine like terms: 3 + -3 = 0 0 + X = -6.557438524 + -3 X = -6.557438524 + -3 Combine like terms: -6.557438524 + -3 = -9.557438524 X = -9.557438524 Simplifying X = -9.557438524

Solution

The solution to the problem is based on the solutions from the subproblems. X = {3.557438524, -9.557438524}

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