Register
7a2 - 5a + 2, 3a2 - 7, 2a + 9,1 + 2a - 5a2. find the sum of ​
123k views
1 vote
7a2 - 5a + 2, 3a2 - 7, 2a + 9,1 + 2a - 5a2. find the sum of ​

User Kravietz
by
7.8k points

1 Answer

3 votes

Answer:


5a^2 -a+5

Explanation:


7a^2-5a+2+3a^2-7+2a+9+1+2a-5a^2 \\ \\ =(7a^2+3a^2-5a^2)+(-5a+2a+2a)+(2-7+9+1) \\ \\ =5a^2 -a+5

User ZWang
by
7.5k points
← Prev Question Next Question →

Related questions

User Loudiyimo
asked May 10, 2022 52.1k views
Question 2 (16) 1.1 Add (7a2 + 5a - 6) and (-3a2 + 6a - 10) ​
Loudiyimo asked May 10, 2022
by Loudiyimo
8.8k points
1 answer
1 vote
52.1k views
User Natallia
asked Dec 28, 2022 220k views
What is the sum of 5a2 - 4a + 3 and -7a2 +4a -6
Natallia asked Dec 28, 2022
by Natallia
8.8k points
2 answers
8 votes
220k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!