Разложите ** множители 1) x-3y+x^2-9y^2= 2) 9m^2+6mn+n^2-25= 3) ab^5-b^5-ab^3+b^3= 4)...

Question

Разложите на множители
1) x-3y+x^2-9y^2=
2) 9m^2+6mn+n^2-25=
3) ab^5-b^5-ab^3+b^3=
4) 1-x^2+10xy-25y^=

Answer 1

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