Answer:
[tex]-15a-27[/tex]
Step-by-step explanation:
Given
[tex]3-5(3a+6)[/tex]
Required
Express in standard form
[tex]3-5(3a+6)[/tex]
Start by opening bracket
[tex]3-5*3a-5*6[/tex]
[tex]3-15a-30[/tex]
Collect Like Terms
[tex]-15a-30+3[/tex]
[tex]-15a-27[/tex]
Hence;
The standard form of [tex]3-5(3a+6)[/tex] is [tex]-15a-27[/tex]
