Respuesta :

Answer:

(25a2c - 15a2d - 10cb + 6db)

Step-by-step explanation:

Equation at the end of step 1: (((75•(a2))•c)-((32•5a2)•d))-30cb)+18db

STEP 2:Equation at the end of step2:  ((((3•52a2) • c) -  (32•5a2d)) -  30cb) +  18db

STEP3:

STEP 4:Pulling out like terms

4.1     Pull out like factors :

  75a2c - 45a2d - 30cb + 18db  =

 3 • (25a2c - 15a2d - 10cb + 6db)