27x^2-342-72=0

Solution for 27x^2-342-72=0 equation:

Simplifying
27x2 + -342 + -72 = 0

Reorder the terms:
-342 + -72 + 27x2 = 0

Combine like terms: -342 + -72 = -414
-414 + 27x2 = 0

Solving
-414 + 27x2 = 0

Solving for variable 'x'.

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

Add '414' to each side of the equation.
-414 + 414 + 27x2 = 0 + 414

Combine like terms: -414 + 414 = 0
0 + 27x2 = 0 + 414
27x2 = 0 + 414

Combine like terms: 0 + 414 = 414
27x2 = 414

Divide each side by '27'.
x2 = 15.33333333

Simplifying
x2 = 15.33333333

Take the square root of each side:
x = {-3.915780041, 3.915780041}