2x^2+5x+9=-60

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Solution for 2x^2+5x+9=-60 equation:


Simplifying
2x2 + 5x + 9 = -60

Reorder the terms:
9 + 5x + 2x2 = -60

Solving
9 + 5x + 2x2 = -60

Solving for variable 'x'.

Reorder the terms:
9 + 60 + 5x + 2x2 = -60 + 60

Combine like terms: 9 + 60 = 69
69 + 5x + 2x2 = -60 + 60

Combine like terms: -60 + 60 = 0
69 + 5x + 2x2 = 0

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

Divide each side by '2'.
34.5 + 2.5x + x2 = 0

Move the constant term to the right:

Add '-34.5' to each side of the equation.
34.5 + 2.5x + -34.5 + x2 = 0 + -34.5

Reorder the terms:
34.5 + -34.5 + 2.5x + x2 = 0 + -34.5

Combine like terms: 34.5 + -34.5 = 0.0
0.0 + 2.5x + x2 = 0 + -34.5
2.5x + x2 = 0 + -34.5

Combine like terms: 0 + -34.5 = -34.5
2.5x + x2 = -34.5

The x term is 2.5x.  Take half its coefficient (1.25).
Square it (1.5625) and add it to both sides.

Add '1.5625' to each side of the equation.
2.5x + 1.5625 + x2 = -34.5 + 1.5625

Reorder the terms:
1.5625 + 2.5x + x2 = -34.5 + 1.5625

Combine like terms: -34.5 + 1.5625 = -32.9375
1.5625 + 2.5x + x2 = -32.9375

Factor a perfect square on the left side:
(x + 1.25)(x + 1.25) = -32.9375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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