Question

3(3x-y)^2-27(x-2y)^2 factorise

Answer 1

Answer:

here is your answer I hope this will help u

Answer 2

Answer:

3( 9x^2 + y^2 - 6xy) - 27(x^2-4y^2 -4xy)

27x^2+ 3y^2-18xy - 27x^2 + 108y^2+ 108xy

111y^2- 18xy+ 108xy

111y^2+ 90xy

3y(37y + 30x )