3x^2+2-16=0

Solution for 3x^2+2-16=0 equation:

Simplifying
3x2 + 2 + -16 = 0

Reorder the terms:
2 + -16 + 3x2 = 0

Combine like terms: 2 + -16 = -14
-14 + 3x2 = 0

Solving
-14 + 3x2 = 0

Solving for variable 'x'.

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

Add '14' to each side of the equation.
-14 + 14 + 3x2 = 0 + 14

Combine like terms: -14 + 14 = 0
0 + 3x2 = 0 + 14
3x2 = 0 + 14

Combine like terms: 0 + 14 = 14
3x2 = 14

Divide each side by '3'.
x2 = 4.666666667

Simplifying
x2 = 4.666666667

Take the square root of each side:
x = {-2.1602469, 2.1602469}