Answer:
r³ + 15r² - 10r - 4
Step-by-step explanation:
First, note you can remove the brackets, in this case they contribute nothing at all.
Then, group the like terms and add them, e.g., we have 3r³ and -2r², they add up to r³.
Finally, order them from greatest power of r to smallest power of r.
That's all!
Answer:
liquid
Step-by-step explanation:
Answer:
Correct!
Step-by-step explanation:
You did it the correct mathematical way, where you divide 4 by 30. Some people get confused and multiply 30 and 4, so good job!
Answer:
4.5=9+8=10 cause we subbed
8+9=17
Step-by-step explanation:
Answer:
1.8y+9
Step-by-step explanation:
I used the distributive property to multiply into the parenthesis. If you are looking for the answer: 5
Hope this helps (^-^)
