(-2.156*0.5)X^2+2=0

Solution for (-2.156*0.5)X^2+2=0 equation:

Simplifying
(-2.156 * 0.5) * X2 + 2 = 0

Multiply -2.156 * 0.5
(-1.078) * X2 + 2 = 0

Reorder the terms:
2 + -1.078X2 = 0

Solving
2 + -1.078X2 = 0

Solving for variable 'X'.

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

Add '-2' to each side of the equation.
2 + -2 + -1.078X2 = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -1.078X2 = 0 + -2
-1.078X2 = 0 + -2

Combine like terms: 0 + -2 = -2
-1.078X2 = -2

Divide each side by '-1.078'.
X2 = 1.85528757

Simplifying
X2 = 1.85528757

Take the square root of each side:
X = {-1.362089413, 1.362089413}