Expression given:
[tex]7\cdot(3a+11b)[/tex]
The distributive property states that:
[tex]a\cdot(b+c)=ab+ac[/tex]
Then, using this property, we can rewrite the given expression as follows:
[tex]=7\cdot(3a)+7\cdot(11b)[/tex]
Simplifying we get:
[tex]=21a+77b[/tex]
nswer:
[tex]=21a+77b[/tex]
