Answer:
![5c^2+2cd-2d^2-15](https://img.qammunity.org/2023/formulas/mathematics/high-school/zagkejjxwujpsqmbb539xi7ewutpdi3s6n.png)
Explanation:
To solve this problem, we must add up all the side values.
Our equation for the perimeter will look like:
![side1+side2+side3+side4=perimeter](https://img.qammunity.org/2023/formulas/mathematics/high-school/xwz7xwm1ma863uwwdmlaqytgw54myclzjp.png)
Now lets plug in our values for our sides and solve:
![4c^2+4cd+12+c^2-d^2+1+3cd+4d^2-30-5d^2-5cd+2=perimeter](https://img.qammunity.org/2023/formulas/mathematics/high-school/l5430j6sk8t9sju3g6mwprv1p92qgoh08q.png)
Now lets combine like terms:
![5c^2+2cd-2d^2-15](https://img.qammunity.org/2023/formulas/mathematics/high-school/zagkejjxwujpsqmbb539xi7ewutpdi3s6n.png)
So this is our perimeter!
Hope this helps! :3