24=(a+2a)*a

Solution for 24=(a+2a)*a equation:

Simplifying
24 = (a + 2a) * a

Combine like terms: a + 2a = 3a
24 = (3a) * a

Remove parenthesis around (3a)
24 = 3a * a

Multiply a * a
24 = 3a2

Solving
24 = 3a2

Solving for variable 'a'.

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

Add '-3a2' to each side of the equation.
24 + -3a2 = 3a2 + -3a2

Combine like terms: 3a2 + -3a2 = 0
24 + -3a2 = 0

Add '-24' to each side of the equation.
24 + -24 + -3a2 = 0 + -24

Combine like terms: 24 + -24 = 0
0 + -3a2 = 0 + -24
-3a2 = 0 + -24

Combine like terms: 0 + -24 = -24
-3a2 = -24

Divide each side by '-3'.
a2 = 8

Simplifying
a2 = 8

Take the square root of each side:
a = {-2.828427125, 2.828427125}