Answer :
Given data:
The given expression is 4(-2a-6b+5a-1).
The given expression can be written as,
[tex]\begin{gathered} 4(-2a-6b+5a-1)=4(3a-6b-1) \\ =12a-18b-4 \end{gathered}[/tex]Thus, the value of the given expression is 12a+(-18)b+(-4).
Given data:
The given expression is 4(-2a-6b+5a-1).
The given expression can be written as,
[tex]\begin{gathered} 4(-2a-6b+5a-1)=4(3a-6b-1) \\ =12a-18b-4 \end{gathered}[/tex]Thus, the value of the given expression is 12a+(-18)b+(-4).