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1 vote
Find (3a2 - 2a + 4) - (a2 - 3a + 7) .

A. 2a^2 + a - 3

B. 2a^2 - 5a + 11

C. 4a^2 - 5a + 11

D. 4a^2 + a - 3

2 Answers

4 votes

Answer:

the answer is a

Explanation:

it just is

User Danle
by
7.3k points
4 votes
(3a^2 - 2a + 4) - (a^2 - 3a + 7) = (distribute the negative sign)
3a^2 - 2a +4 - a^2 + 3a - 7 = (add like terms)
2a^2 + a - 3
So, the answer is A!

User Luiscolorado
by
8.7k points