4x^2+15=30

Solution for 4x^2+15=30 equation:

Simplifying
4x2 + 15 = 30

Reorder the terms:
15 + 4x2 = 30

Solving
15 + 4x2 = 30

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 4x2 = 30 + -15

Combine like terms: 15 + -15 = 0
0 + 4x2 = 30 + -15
4x2 = 30 + -15

Combine like terms: 30 + -15 = 15
4x2 = 15

Divide each side by '4'.
x2 = 3.75

Simplifying
x2 = 3.75

Take the square root of each side:
x = {-1.936491673, 1.936491673}