10x^2-18-4=0

Solution for 10x^2-18-4=0 equation:

Simplifying
10x2 + -18 + -4 = 0

Reorder the terms:
-18 + -4 + 10x2 = 0

Combine like terms: -18 + -4 = -22
-22 + 10x2 = 0

Solving
-22 + 10x2 = 0

Solving for variable 'x'.

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

Add '22' to each side of the equation.
-22 + 22 + 10x2 = 0 + 22

Combine like terms: -22 + 22 = 0
0 + 10x2 = 0 + 22
10x2 = 0 + 22

Combine like terms: 0 + 22 = 22
10x2 = 22

Divide each side by '10'.
x2 = 2.2

Simplifying
x2 = 2.2

Take the square root of each side:
x = {-1.483239697, 1.483239697}