Respuesta :

47755

Answer:

(8x - 9y)2

Step-by-step explanation:

64x2−144xy+81y2

Equation at the end of step 1:  

((64 • (x2)) -  144xy) +  34y2

The Equation at the end of step 2:

(26x2 -  144xy) +  34y2

Step 3:

(8x - 9y)2

Answer:

(8x - 9y)2