x^2+1.4x+1.96=0

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Solution for x^2+1.4x+1.96=0 equation:


Simplifying
x2 + 1.4x + 1.96 = 0

Reorder the terms:
1.96 + 1.4x + x2 = 0

Solving
1.96 + 1.4x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-1.96' to each side of the equation.
1.96 + 1.4x + -1.96 + x2 = 0 + -1.96

Reorder the terms:
1.96 + -1.96 + 1.4x + x2 = 0 + -1.96

Combine like terms: 1.96 + -1.96 = 0.00
0.00 + 1.4x + x2 = 0 + -1.96
1.4x + x2 = 0 + -1.96

Combine like terms: 0 + -1.96 = -1.96
1.4x + x2 = -1.96

The x term is 1.4x.  Take half its coefficient (0.7).
Square it (0.49) and add it to both sides.

Add '0.49' to each side of the equation.
1.4x + 0.49 + x2 = -1.96 + 0.49

Reorder the terms:
0.49 + 1.4x + x2 = -1.96 + 0.49

Combine like terms: -1.96 + 0.49 = -1.47
0.49 + 1.4x + x2 = -1.47

Factor a perfect square on the left side:
(x + 0.7)(x + 0.7) = -1.47

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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