Question

Разложите на множители
1) х^2-25=
2) 36m^2-100n^2=
3) (4-y)^2=
4) 36a^2+24ab+4b^2=

Answer 1

1) (x-5)(x+5)
2) (6m-10n)(6m+10n)
3) 16-8y+y^2
4) (6a+2b)^2