30x=-9x^2-14

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Solution for 30x=-9x^2-14 equation:


Simplifying
30x = -9x2 + -14

Reorder the terms:
30x = -14 + -9x2

Solving
30x = -14 + -9x2

Solving for variable 'x'.

Reorder the terms:
14 + 30x + 9x2 = -14 + -9x2 + 14 + 9x2

Reorder the terms:
14 + 30x + 9x2 = -14 + 14 + -9x2 + 9x2

Combine like terms: -14 + 14 = 0
14 + 30x + 9x2 = 0 + -9x2 + 9x2
14 + 30x + 9x2 = -9x2 + 9x2

Combine like terms: -9x2 + 9x2 = 0
14 + 30x + 9x2 = 0

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

Divide each side by '9'.
1.555555556 + 3.333333333x + x2 = 0

Move the constant term to the right:

Add '-1.555555556' to each side of the equation.
1.555555556 + 3.333333333x + -1.555555556 + x2 = 0 + -1.555555556

Reorder the terms:
1.555555556 + -1.555555556 + 3.333333333x + x2 = 0 + -1.555555556

Combine like terms: 1.555555556 + -1.555555556 = 0.000000000
0.000000000 + 3.333333333x + x2 = 0 + -1.555555556
3.333333333x + x2 = 0 + -1.555555556

Combine like terms: 0 + -1.555555556 = -1.555555556
3.333333333x + x2 = -1.555555556

The x term is 3.333333333x.  Take half its coefficient (1.666666667).
Square it (2.777777779) and add it to both sides.

Add '2.777777779' to each side of the equation.
3.333333333x + 2.777777779 + x2 = -1.555555556 + 2.777777779

Reorder the terms:
2.777777779 + 3.333333333x + x2 = -1.555555556 + 2.777777779

Combine like terms: -1.555555556 + 2.777777779 = 1.222222223
2.777777779 + 3.333333333x + x2 = 1.222222223

Factor a perfect square on the left side:
(x + 1.666666667)(x + 1.666666667) = 1.222222223

Calculate the square root of the right side: 1.105541597

Break this problem into two subproblems by setting 
(x + 1.666666667) equal to 1.105541597 and -1.105541597.

Subproblem 1

x + 1.666666667 = 1.105541597 Simplifying x + 1.666666667 = 1.105541597 Reorder the terms: 1.666666667 + x = 1.105541597 Solving 1.666666667 + x = 1.105541597 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.666666667' to each side of the equation. 1.666666667 + -1.666666667 + x = 1.105541597 + -1.666666667 Combine like terms: 1.666666667 + -1.666666667 = 0.000000000 0.000000000 + x = 1.105541597 + -1.666666667 x = 1.105541597 + -1.666666667 Combine like terms: 1.105541597 + -1.666666667 = -0.56112507 x = -0.56112507 Simplifying x = -0.56112507

Subproblem 2

x + 1.666666667 = -1.105541597 Simplifying x + 1.666666667 = -1.105541597 Reorder the terms: 1.666666667 + x = -1.105541597 Solving 1.666666667 + x = -1.105541597 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.666666667' to each side of the equation. 1.666666667 + -1.666666667 + x = -1.105541597 + -1.666666667 Combine like terms: 1.666666667 + -1.666666667 = 0.000000000 0.000000000 + x = -1.105541597 + -1.666666667 x = -1.105541597 + -1.666666667 Combine like terms: -1.105541597 + -1.666666667 = -2.772208264 x = -2.772208264 Simplifying x = -2.772208264

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.56112507, -2.772208264}

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