Question

please answer as fast as possible ​

Answer 1

Answer:

(a²+4b²-6ab+a²-b²+2ab+b²+6+a²-4ab) - (-2a²+b²-ab+a)

a²+4b²-6ab+a²-b²+2ab+b²+6+a²- 4ab + 2a²-b²+ab-a

5a² + 3b² - 7ab - a + 6