SOLUTION: please help me got this wrong on homework but do not know why! 6(b+3)+2(b+5)

Question 676129: please help me got this wrong on homework but do not know why!
6(b+3)+2(b+5)
Answer by jpvn2015(54) (Show Source): You can put this solution on YOUR website!
First, bifurcate this problem: 6(b+3) worry about 2(b+5) later
6(b+3) = 6b + 18. You simply multiply the 6 by the b and the 6 by the 3.
Then, we work on the second bifurcation: 2(b+5). This equals 2b + 10 for the same reasons as the one above.
Thus, our problem now reads: 6b+18+2b+10
You add like figures which yields: 8b + 28
8b + 28 is the most precise you can get in this problem, so 8b+28 is your answer.
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