4-28x^2=0

Solution for 4-28x^2=0 equation:

Simplifying
4 + -28x2 = 0

Solving
4 + -28x2 = 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 + -4 + -28x2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -28x2 = 0 + -4
-28x2 = 0 + -4

Combine like terms: 0 + -4 = -4
-28x2 = -4

Divide each side by '-28'.
x2 = 0.1428571429

Simplifying
x2 = 0.1428571429

Take the square root of each side:
x = {-0.377964473, 0.377964473}