Question

factorise: a(a+b) - b(b+a)​

Answer 1

Answer:

a²+ ab - b² -ab

a²-b²

(a+b)(a-b)

hope it helps you ✨

Answer 2

Answer:

a(a+b) - b(b+a)

a²+ab - b²+ ba (NOTE: WHEN THERE ARE NUMBRES OR LETTERS INSIDE OR OUTSIDE THE BRACKET THEY are always multiplied)

a² - b² + 2ab