Question

FACTORISE (A+B)WHOLE SQUARE -(A-B) WHOLE SQUARE​

Answer 1

Answer:

(A+B)^2 -(A-B)^2

Step-by-step explanation:

• (A)^2 +(B)^2 +2ab - {(A)^2 +(B)^2 -2ab}
• A^2 +B^2 +2ab -A^2 -B^2 + 2ab (cancelling positive & negative sign)
• 4ab