-4.9x^2+14+2.1=0

Solution for -4.9x^2+14+2.1=0 equation:

Simplifying
-4.9x2 + 14 + 2.1 = 0

Reorder the terms:
14 + 2.1 + -4.9x2 = 0

Combine like terms: 14 + 2.1 = 16.1
16.1 + -4.9x2 = 0

Solving
16.1 + -4.9x2 = 0

Solving for variable 'x'.

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

Add '-16.1' to each side of the equation.
16.1 + -16.1 + -4.9x2 = 0 + -16.1

Combine like terms: 16.1 + -16.1 = 0.0
0.0 + -4.9x2 = 0 + -16.1
-4.9x2 = 0 + -16.1

Combine like terms: 0 + -16.1 = -16.1
-4.9x2 = -16.1

Divide each side by '-4.9'.
x2 = 3.285714286

Simplifying
x2 = 3.285714286

Take the square root of each side:
x = {-1.812653934, 1.812653934}