-12(a^2)+27=0

Solution for -12(a^2)+27=0 equation:

Simplifying
-12(a2) + 27 = 0

Reorder the terms:
27 + -12a2 = 0

Solving
27 + -12a2 = 0

Solving for variable 'a'.

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

Add '-27' to each side of the equation.
27 + -27 + -12a2 = 0 + -27

Combine like terms: 27 + -27 = 0
0 + -12a2 = 0 + -27
-12a2 = 0 + -27

Combine like terms: 0 + -27 = -27
-12a2 = -27

Divide each side by '-12'.
a2 = 2.25

Simplifying
a2 = 2.25

Take the square root of each side:
a = {-1.5, 1.5}