Question

factorise the following using appropriate identities
1:- 4y^2-4y+1
2:-4x^2-y^2÷25
3:- 18a^2-50
4:- x^25 5x+6
5:- 3p^2-24p+36​

Answer 1

Answer:

(1)4y^2-4y+1=4y^2-2y-2y+1

now take the 2y common

2y(2y-1)-1(2y-1)=(2y-1)(2y-1)