X^2-15-30=0

Solution for X^2-15-30=0 equation:

Simplifying
X2 + -15 + -30 = 0

Reorder the terms:
-15 + -30 + X2 = 0

Combine like terms: -15 + -30 = -45
-45 + X2 = 0

Solving
-45 + X2 = 0

Solving for variable 'X'.

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

Add '45' to each side of the equation.
-45 + 45 + X2 = 0 + 45

Combine like terms: -45 + 45 = 0
0 + X2 = 0 + 45
X2 = 0 + 45

Combine like terms: 0 + 45 = 45
X2 = 45

Simplifying
X2 = 45

Take the square root of each side:
X = {-6.708203933, 6.708203933}