2=4.9x^2

Solution for 2=4.9x^2 equation:

Simplifying
2 = 4.9x2

Solving
2 = 4.9x2

Solving for variable 'x'.

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

Add '-4.9x2' to each side of the equation.
2 + -4.9x2 = 4.9x2 + -4.9x2

Combine like terms: 4.9x2 + -4.9x2 = 0.0
2 + -4.9x2 = 0.0

Add '-2' to each side of the equation.
2 + -2 + -4.9x2 = 0.0 + -2

Combine like terms: 2 + -2 = 0
0 + -4.9x2 = 0.0 + -2
-4.9x2 = 0.0 + -2

Combine like terms: 0.0 + -2 = -2
-4.9x2 = -2

Divide each side by '-4.9'.
x2 = 0.4081632653

Simplifying
x2 = 0.4081632653

Take the square root of each side:
x = {-0.638876565, 0.638876565}