x^2+3.5x+17.5625=0

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Solution for x^2+3.5x+17.5625=0 equation:


Simplifying
x2 + 3.5x + 17.5625 = 0

Reorder the terms:
17.5625 + 3.5x + x2 = 0

Solving
17.5625 + 3.5x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-17.5625' to each side of the equation.
17.5625 + 3.5x + -17.5625 + x2 = 0 + -17.5625

Reorder the terms:
17.5625 + -17.5625 + 3.5x + x2 = 0 + -17.5625

Combine like terms: 17.5625 + -17.5625 = 0.0000
0.0000 + 3.5x + x2 = 0 + -17.5625
3.5x + x2 = 0 + -17.5625

Combine like terms: 0 + -17.5625 = -17.5625
3.5x + x2 = -17.5625

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 = -17.5625 + 3.0625

Reorder the terms:
3.0625 + 3.5x + x2 = -17.5625 + 3.0625

Combine like terms: -17.5625 + 3.0625 = -14.5
3.0625 + 3.5x + x2 = -14.5

Factor a perfect square on the left side:
(x + 1.75)(x + 1.75) = -14.5

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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