9x^2+65x+144=0

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Solution for 9x^2+65x+144=0 equation:


Simplifying
9x2 + 65x + 144 = 0

Reorder the terms:
144 + 65x + 9x2 = 0

Solving
144 + 65x + 9x2 = 0

Solving for variable 'x'.

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

Divide each side by '9'.
16 + 7.222222222x + x2 = 0

Move the constant term to the right:

Add '-16' to each side of the equation.
16 + 7.222222222x + -16 + x2 = 0 + -16

Reorder the terms:
16 + -16 + 7.222222222x + x2 = 0 + -16

Combine like terms: 16 + -16 = 0
0 + 7.222222222x + x2 = 0 + -16
7.222222222x + x2 = 0 + -16

Combine like terms: 0 + -16 = -16
7.222222222x + x2 = -16

The x term is 7.222222222x.  Take half its coefficient (3.611111111).
Square it (13.04012346) and add it to both sides.

Add '13.04012346' to each side of the equation.
7.222222222x + 13.04012346 + x2 = -16 + 13.04012346

Reorder the terms:
13.04012346 + 7.222222222x + x2 = -16 + 13.04012346

Combine like terms: -16 + 13.04012346 = -2.95987654
13.04012346 + 7.222222222x + x2 = -2.95987654

Factor a perfect square on the left side:
(x + 3.611111111)(x + 3.611111111) = -2.95987654

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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