Question

how much does 9a²+7a-2 exceed 2a²+4a²+3a+1​

Answer 1

Answer:

(9a²+7a-2)-(2a³+4a²+3a+1)

9a²+7a-2-2a³-4a²-3a-1

(-2a³9a²-4a²)(7a-3a)(-2-1)

-2a³+5a²+4a-3

Step-by-step explanation:

Answer 2

Answer:

3 is right answer

Step-by-step explanation:

Hope itz helps u