SOLUTION: can someone simplify (b+4)7 and show me the details on how you got the answer?

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Question 717519: can someone simplify (b+4)7 and show me the details on how you got the answer?
Answer by Alexekuma1(1) About Me  (Show Source):
You can put this solution on YOUR website!
what do you mean? Ok
(b + 4)7
here 7 is the multiple of both in bracket
now clear the bracket by multipling 7 by b and 4
ie 7*b + 7*4
then the answer becomes
7b+28