p^2-2.25=0

Solution for p^2-2.25=0 equation:

Simplifying
p2 + -2.25 = 0

Reorder the terms:
-2.25 + p2 = 0

Solving
-2.25 + p2 = 0

Solving for variable 'p'.

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

Add '2.25' to each side of the equation.
-2.25 + 2.25 + p2 = 0 + 2.25

Combine like terms: -2.25 + 2.25 = 0.00
0.00 + p2 = 0 + 2.25
p2 = 0 + 2.25

Combine like terms: 0 + 2.25 = 2.25
p2 = 2.25

Simplifying
p2 = 2.25

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