Question

-7a^2+3a-9 from 5a^2-6-4 subtract

Answer 1

Explanation:

To subtract -7a^2+3a-9 from 5a^2-6-4

We have

5a^2-10--7a^2+3a-9

5a^2-10+7a^2+3a-9

Collect like terms

12a^2+3a-10-9

12a^2+3a-19