2x^2=-9x-49

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Solution for 2x^2=-9x-49 equation:


Simplifying
2x2 = -9x + -49

Reorder the terms:
2x2 = -49 + -9x

Solving
2x2 = -49 + -9x

Solving for variable 'x'.

Reorder the terms:
49 + 9x + 2x2 = -49 + -9x + 49 + 9x

Reorder the terms:
49 + 9x + 2x2 = -49 + 49 + -9x + 9x

Combine like terms: -49 + 49 = 0
49 + 9x + 2x2 = 0 + -9x + 9x
49 + 9x + 2x2 = -9x + 9x

Combine like terms: -9x + 9x = 0
49 + 9x + 2x2 = 0

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

Divide each side by '2'.
24.5 + 4.5x + x2 = 0

Move the constant term to the right:

Add '-24.5' to each side of the equation.
24.5 + 4.5x + -24.5 + x2 = 0 + -24.5

Reorder the terms:
24.5 + -24.5 + 4.5x + x2 = 0 + -24.5

Combine like terms: 24.5 + -24.5 = 0.0
0.0 + 4.5x + x2 = 0 + -24.5
4.5x + x2 = 0 + -24.5

Combine like terms: 0 + -24.5 = -24.5
4.5x + x2 = -24.5

The x term is 4.5x.  Take half its coefficient (2.25).
Square it (5.0625) and add it to both sides.

Add '5.0625' to each side of the equation.
4.5x + 5.0625 + x2 = -24.5 + 5.0625

Reorder the terms:
5.0625 + 4.5x + x2 = -24.5 + 5.0625

Combine like terms: -24.5 + 5.0625 = -19.4375
5.0625 + 4.5x + x2 = -19.4375

Factor a perfect square on the left side:
(x + 2.25)(x + 2.25) = -19.4375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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