Respuesta :

Answer:

x=18√2 or x=−18√2

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

9/8x^2=729

Step 2: Divide both sides by 9/8.

9/8x^2/9/8=729/9/8

x^2=648

Step 3: Take square root.

x=±√648

x=18√2 or x=−18√2

clarch19

Answer:

x = 8

Step-by-step explanation:

x/2 + x/4 = 6

2x/4 + 1x/4 = 6

3x/4 = 6

3x = 24

x = 8

check:  3^4 · 3^2 = 3^6