Question

7a²+4b²-2ab+1 and 5a²-8b²+7ab-8 add them​

Answer 1

Answer:

12a^2-4b^2+5ab-7

Step-by-step explanation:

you can solve this in two ways by just doing addition in earlier method or by using the side by side one

Answer 2

Step-by-step explanation:

7a^2 + 4b^2 - 2ab + 1 +(5a^2 - 8b^2 +7ab - 8)

12a^2 - 4b^2 + 5ab - 7