Question

-2a+b=-8
-3a+b=-27 on adding​

Answer 1

Answer:

3a-8a^2-2+6ab

Step-by-step explanation:

(3a-b^2)+(2a-b)^2-2(3a-b)(2a-b)

3a-b^2+4a^2+b^2-4ab-2(6a^2-2ab-3ab+b^2)

3a+4a^2-4ab-2(6a^2-5ab+b^2)

3a-8a^2-2b^2+6ab.

HOPE IT HELPS YOU