Answer:
[tex]\boxed{\bold{270k-90}}[/tex]
Step By Step Explanation:
Multiply: [tex]\bold{100\cdot \:3=300}[/tex]
[tex]\bold{300k-75\cdot \:2k+120k-90}[/tex]
Multiply: [tex]\bold{75\cdot \:2=150}[/tex]
[tex]\bold{300k-150k+120k-90}[/tex]
Combine: [tex]\bold{300k-150k+120k=270k}[/tex]
[tex]\bold{270k-90}[/tex]
- Mordancy