Question

(a - 2b)2 + 6 (a - 26) + 8​

Answer 1

Answer:

8(a−2b)2−2a+4b−1

⇒8(a−b)2−2(a−2b)−1

⇒ Take a−2b=x

∴8x2−2x−1

⇒8x2−4x+2x−1

⇒4x(2x−1)+1(2x−1)

⇒(4x+1)(2x−1)

∴(4(a−2b)+1)(2(a−2b)−1)

⇒(4a−8b+1)(2a−4b−1).