-12x^2-72+299=0

Solution for -12x^2-72+299=0 equation:

Simplifying
-12x2 + -72 + 299 = 0

Reorder the terms:
-72 + 299 + -12x2 = 0

Combine like terms: -72 + 299 = 227
227 + -12x2 = 0

Solving
227 + -12x2 = 0

Solving for variable 'x'.

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

Add '-227' to each side of the equation.
227 + -227 + -12x2 = 0 + -227

Combine like terms: 227 + -227 = 0
0 + -12x2 = 0 + -227
-12x2 = 0 + -227

Combine like terms: 0 + -227 = -227
-12x2 = -227

Divide each side by '-12'.
x2 = 18.91666667

Simplifying
x2 = 18.91666667

Take the square root of each side:
x = {-4.349329451, 4.349329451}