2x^2+39x+240=

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Solution for 2x^2+39x+240= equation:


Simplifying
2x2 + 39x + 240 = 0

Reorder the terms:
240 + 39x + 2x2 = 0

Solving
240 + 39x + 2x2 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
120 + 19.5x + x2 = 0

Move the constant term to the right:

Add '-120' to each side of the equation.
120 + 19.5x + -120 + x2 = 0 + -120

Reorder the terms:
120 + -120 + 19.5x + x2 = 0 + -120

Combine like terms: 120 + -120 = 0
0 + 19.5x + x2 = 0 + -120
19.5x + x2 = 0 + -120

Combine like terms: 0 + -120 = -120
19.5x + x2 = -120

The x term is 19.5x.  Take half its coefficient (9.75).
Square it (95.0625) and add it to both sides.

Add '95.0625' to each side of the equation.
19.5x + 95.0625 + x2 = -120 + 95.0625

Reorder the terms:
95.0625 + 19.5x + x2 = -120 + 95.0625

Combine like terms: -120 + 95.0625 = -24.9375
95.0625 + 19.5x + x2 = -24.9375

Factor a perfect square on the left side:
(x + 9.75)(x + 9.75) = -24.9375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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