4.9-4.9x^2=1

Solution for 4.9-4.9x^2=1 equation:

Simplifying
4.9 + -4.9x2 = 1

Solving
4.9 + -4.9x2 = 1

Solving for variable 'x'.

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

Add '-4.9' to each side of the equation.
4.9 + -4.9 + -4.9x2 = 1 + -4.9

Combine like terms: 4.9 + -4.9 = 0.0
0.0 + -4.9x2 = 1 + -4.9
-4.9x2 = 1 + -4.9

Combine like terms: 1 + -4.9 = -3.9
-4.9x2 = -3.9

Divide each side by '-4.9'.
x2 = 0.7959183673

Simplifying
x2 = 0.7959183673

Take the square root of each side:
x = {-0.892142571, 0.892142571}