x^2+3x+2.25=-3.75

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Solution for x^2+3x+2.25=-3.75 equation:


Simplifying
x2 + 3x + 2.25 = -3.75

Reorder the terms:
2.25 + 3x + x2 = -3.75

Solving
2.25 + 3x + x2 = -3.75

Solving for variable 'x'.

Reorder the terms:
2.25 + 3.75 + 3x + x2 = -3.75 + 3.75

Combine like terms: 2.25 + 3.75 = 6
6 + 3x + x2 = -3.75 + 3.75

Combine like terms: -3.75 + 3.75 = 0.00
6 + 3x + x2 = 0.00

Begin completing the square.

Move the constant term to the right:

Add '-6' to each side of the equation.
6 + 3x + -6 + x2 = 0.00 + -6

Reorder the terms:
6 + -6 + 3x + x2 = 0.00 + -6

Combine like terms: 6 + -6 = 0
0 + 3x + x2 = 0.00 + -6
3x + x2 = 0.00 + -6

Combine like terms: 0.00 + -6 = -6
3x + x2 = -6

The x term is 3x.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3x + 2.25 + x2 = -6 + 2.25

Reorder the terms:
2.25 + 3x + x2 = -6 + 2.25

Combine like terms: -6 + 2.25 = -3.75
2.25 + 3x + x2 = -3.75

Factor a perfect square on the left side:
(x + 1.5)(x + 1.5) = -3.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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