Question 57405
WORKING WITHIN THE ( ) MULTIPLY THE INNER FACTORS FIRST THEN COMBINE ALL LIKE TERMS
3[A+3(A+5)]
3[A+3*A+3*5]
3[A+3A+15]
3*A+3*3A+3*15
3A+9A+45
12A+45
N0W FACTOR OUT ALL COMMON TERMS
3(4A+15)