Ask
your own question, for FREE!
Mathematics
24 Online
What is the sum of these polynomials? (4x^3 − 2x − 9) + (2x^3 + 5x + 3) ^ indicates exponent
Still Need Help?
Join the QuestionCove community and study together with friends!
\[(4x^3 − 2x − 9) + (2x^3 + 5x + 3)\] Let's open the brackets, \[4x^3-2x-9+2x^3+5x+3\] Now, let's group the like terms, that is terms with same powers of x \[4x^3+2x^3-2x+5x-9+3\] let's combine the like terms \[\underline{4x^3+2x^3}-2x+5x-9+3=6x^3-2x+5x-9+3\]Could you take it from here?
yes! thank you so much :)
Did you understand?
yes! I remember lerning this, i just forgot how to do it!
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
danielfootball123:
Question.... How much is questioncove worth if I were to buy it?
Ferrari:
Is there ever a point in time where humans can time travel? Just an open question.
danielfootball123:
Quick question. Why is there no questioncove logo on the site anymore? (screensho
Twaylor:
how do i stitch up my leg ( i need real answers people- i dont want to do it wron
danielfootball123:
not sure if this is spam or not Please keep this in your prayers. Just watch this video https://www.
danielfootball123:
Why was questioncove down? and how did everything open up today without reaching
7 hours ago
5 Replies
0 Medals
1 day ago
12 Replies
2 Medals
2 days ago
10 Replies
1 Medal
3 days ago
16 Replies
4 Medals
5 days ago
11 Replies
0 Medals
1 week ago
7 Replies
5 Medals