Sagot :
4x^2 - 20xy+25y^2
=4^2-10xy-10xy + 25y^2
=2x(2x - 5y)-5y(2x-5y)
= (2x-5y)(2x-5y)
Im not sure to my answer but i hope it will help
=4^2-10xy-10xy + 25y^2
=2x(2x - 5y)-5y(2x-5y)
= (2x-5y)(2x-5y)
Im not sure to my answer but i hope it will help