9x^2=-3x-25

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Solution for 9x^2=-3x-25 equation:


Simplifying
9x2 = -3x + -25

Reorder the terms:
9x2 = -25 + -3x

Solving
9x2 = -25 + -3x

Solving for variable 'x'.

Reorder the terms:
25 + 3x + 9x2 = -25 + -3x + 25 + 3x

Reorder the terms:
25 + 3x + 9x2 = -25 + 25 + -3x + 3x

Combine like terms: -25 + 25 = 0
25 + 3x + 9x2 = 0 + -3x + 3x
25 + 3x + 9x2 = -3x + 3x

Combine like terms: -3x + 3x = 0
25 + 3x + 9x2 = 0

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

Divide each side by '9'.
2.777777778 + 0.3333333333x + x2 = 0

Move the constant term to the right:

Add '-2.777777778' to each side of the equation.
2.777777778 + 0.3333333333x + -2.777777778 + x2 = 0 + -2.777777778

Reorder the terms:
2.777777778 + -2.777777778 + 0.3333333333x + x2 = 0 + -2.777777778

Combine like terms: 2.777777778 + -2.777777778 = 0.000000000
0.000000000 + 0.3333333333x + x2 = 0 + -2.777777778
0.3333333333x + x2 = 0 + -2.777777778

Combine like terms: 0 + -2.777777778 = -2.777777778
0.3333333333x + x2 = -2.777777778

The x term is 0.3333333333x.  Take half its coefficient (0.1666666667).
Square it (0.02777777779) and add it to both sides.

Add '0.02777777779' to each side of the equation.
0.3333333333x + 0.02777777779 + x2 = -2.777777778 + 0.02777777779

Reorder the terms:
0.02777777779 + 0.3333333333x + x2 = -2.777777778 + 0.02777777779

Combine like terms: -2.777777778 + 0.02777777779 = -2.75000000021
0.02777777779 + 0.3333333333x + x2 = -2.75000000021

Factor a perfect square on the left side:
(x + 0.1666666667)(x + 0.1666666667) = -2.75000000021

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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