3x^2+4-30=0

Solution for 3x^2+4-30=0 equation:

Simplifying
3x2 + 4 + -30 = 0

Reorder the terms:
4 + -30 + 3x2 = 0

Combine like terms: 4 + -30 = -26
-26 + 3x2 = 0

Solving
-26 + 3x2 = 0

Solving for variable 'x'.

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

Add '26' to each side of the equation.
-26 + 26 + 3x2 = 0 + 26

Combine like terms: -26 + 26 = 0
0 + 3x2 = 0 + 26
3x2 = 0 + 26

Combine like terms: 0 + 26 = 26
3x2 = 26

Divide each side by '3'.
x2 = 8.666666667

Simplifying
x2 = 8.666666667

Take the square root of each side:
x = {-2.943920289, 2.943920289}