SOLUTION: 3[a+3(a+5)] i need help i am not sure this is worked out.

Question 57405This question is from textbook beginning algebra
: 3[a+3(a+5)] i need help i am not sure this is worked out. This question is from textbook beginning algebra

Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
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)

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