P^2-12+9=0

Solution for P^2-12+9=0 equation:

Simplifying
P2 + -12 + 9 = 0

Reorder the terms:
-12 + 9 + P2 = 0

Combine like terms: -12 + 9 = -3
-3 + P2 = 0

Solving
-3 + P2 = 0

Solving for variable 'P'.

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

Add '3' to each side of the equation.
-3 + 3 + P2 = 0 + 3

Combine like terms: -3 + 3 = 0
0 + P2 = 0 + 3
P2 = 0 + 3

Combine like terms: 0 + 3 = 3
P2 = 3

Simplifying
P2 = 3

Take the square root of each side:
P = {-1.732050808, 1.732050808}