Which expression is equivalent to –3(u+7)
PLEASE ANSWER THE QUESTION
![Which expression is equivalent to 3u7 PLEASE ANSWER THE QUESTION class=](https://us-static.z-dn.net/files/dea/78eec112689fbaf8f6e3cc9445343e4d.png)
Answer: (u+7) x -3
I like to use substitution, for example u=2
(2+7) x -3 = -27
-3(2+7) = -27