X^2-3.9x+4=0

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Solution for X^2-3.9x+4=0 equation:


Simplifying
X2 + -3.9x + 4 = 0

Reorder the terms:
4 + X2 + -3.9x = 0

Solving
4 + X2 + -3.9x = 0

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '-4' to each side of the equation.
4 + X2 + -4 + -3.9x = 0 + -4

Reorder the terms:
4 + -4 + X2 + -3.9x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + X2 + -3.9x = 0 + -4
X2 + -3.9x = 0 + -4

Combine like terms: 0 + -4 = -4
X2 + -3.9x = -4

Add '3.9x' to each side of the equation.
X2 + -3.9x + 3.9x = -4 + 3.9x

Combine like terms: -3.9x + 3.9x = 0.0
X2 + 0.0 = -4 + 3.9x
X2 = -4 + 3.9x

Simplifying
X2 = -4 + 3.9x

Reorder the terms:
4 + X2 + -3.9x = -4 + 3.9x + 4 + -3.9x

Reorder the terms:
4 + X2 + -3.9x = -4 + 4 + 3.9x + -3.9x

Combine like terms: -4 + 4 = 0
4 + X2 + -3.9x = 0 + 3.9x + -3.9x
4 + X2 + -3.9x = 3.9x + -3.9x

Combine like terms: 3.9x + -3.9x = 0.0
4 + X2 + -3.9x = 0.0

The solution to this equation could not be determined.

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