(3b-a)2=

Solution for (3b-a)2= equation:

Simplifying
(3b + -1a) * 2 = 0

Reorder the terms:
(-1a + 3b) * 2 = 0

Reorder the terms for easier multiplication:
2(-1a + 3b) = 0
(-1a * 2 + 3b * 2) = 0
(-2a + 6b) = 0

Solving
-2a + 6b = 0

Solving for variable 'a'.

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

Add '-6b' to each side of the equation.
-2a + 6b + -6b = 0 + -6b

Combine like terms: 6b + -6b = 0
-2a + 0 = 0 + -6b
-2a = 0 + -6b
Remove the zero:
-2a = -6b

Divide each side by '-2'.
a = 3b

Simplifying
a = 3b