Question

Factorize 36(a-b)^2 - 25(a-b)^2

Answer 1

36(a-b)^2-25(a-b)^2

36(a^2+b^2-2ab)-25(a^2+b^2-2ab)

36a^2+36b^2-72ab-25a^2-25b^2+50ab

9a^2+9b^2-32ab