8x^2-15-27=0

Solution for 8x^2-15-27=0 equation:

Simplifying
8x2 + -15 + -27 = 0

Reorder the terms:
-15 + -27 + 8x2 = 0

Combine like terms: -15 + -27 = -42
-42 + 8x2 = 0

Solving
-42 + 8x2 = 0

Solving for variable 'x'.

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

Add '42' to each side of the equation.
-42 + 42 + 8x2 = 0 + 42

Combine like terms: -42 + 42 = 0
0 + 8x2 = 0 + 42
8x2 = 0 + 42

Combine like terms: 0 + 42 = 42
8x2 = 42

Divide each side by '8'.
x2 = 5.25

Simplifying
x2 = 5.25

Take the square root of each side:
x = {-2.291287847, 2.291287847}