-0.5x^2-1.75x-4.5=0

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Solution for -0.5x^2-1.75x-4.5=0 equation:


Simplifying
-0.5x2 + -1.75x + -4.5 = 0

Reorder the terms:
-4.5 + -1.75x + -0.5x2 = 0

Solving
-4.5 + -1.75x + -0.5x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-0.5 the coefficient of the squared term: 

Divide each side by '-0.5'.
9 + 3.5x + x2 = 0

Move the constant term to the right:

Add '-9' to each side of the equation.
9 + 3.5x + -9 + x2 = 0 + -9

Reorder the terms:
9 + -9 + 3.5x + x2 = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 3.5x + x2 = 0 + -9
3.5x + x2 = 0 + -9

Combine like terms: 0 + -9 = -9
3.5x + x2 = -9

The x term is 3.5x.  Take half its coefficient (1.75).
Square it (3.0625) and add it to both sides.

Add '3.0625' to each side of the equation.
3.5x + 3.0625 + x2 = -9 + 3.0625

Reorder the terms:
3.0625 + 3.5x + x2 = -9 + 3.0625

Combine like terms: -9 + 3.0625 = -5.9375
3.0625 + 3.5x + x2 = -5.9375

Factor a perfect square on the left side:
(x + 1.75)(x + 1.75) = -5.9375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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