Question

Can someone factorise this: (2a + b)2 + (a + 2b)​

Answer 1

Answer:

3a^2 + 3b^2

Step-by-step explanation:

So look for common terms and add them together or subtract.

Answer 2

(2a + b)^2 + (a + 2b)​

(2a + b)(2a + b) + (a + 2b)

(2a + b)[(2a + b) + (a + 2b)]

(2a + b)(3a + 3b)