7(b+4)+a(b+4)
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7(b+4)+a(b+4)
= 7b+28+a(b+4)
=7b+28+ab+4a
=ab+4a+7b+28
Answer :- ab +4a+7b+28
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Step-by-step explanation:
7b+28+ab+4a
after muntiply this will be get
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