multiply t by u, add the to v, then triple what you have
Multiply t by u:
tu
Add this to v:
v + tu
Then triple what you have - This means we multiply the expression above by 3:
3(v + tu)
Multiply t by u:
tu
Add this to v:
v + tu
Then triple what you have - This means we multiply the expression above by 3:
3(v + tu)