4x^2-30=0

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

Simplifying
4x2 + -30 = 0

Reorder the terms:
-30 + 4x2 = 0

Solving
-30 + 4x2 = 0

Solving for variable 'x'.

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

Add '30' to each side of the equation.
-30 + 30 + 4x2 = 0 + 30

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

Combine like terms: 0 + 30 = 30
4x2 = 30

Divide each side by '4'.
x2 = 7.5

Simplifying
x2 = 7.5

Take the square root of each side:
x = {-2.738612788, 2.738612788}