1) 5(a-b)(a+b)
2)5y(y-3)
3)m^5(m^2-1)
4)yz^8(36/49x^2y^4-0,09z^2)
5)b^4(7a^2-9a+1)
6)-4m(m^2-2mn+n^2)=-4m(m-n)^2
1) 5(a-b)(a+b)
2)5y(y-3)
3)m^5(m^2-1)
4)yz^8(36/49x^2y^4-0,09z^2)
5)b^4(7a^2-9a+1)
6)-4m(m^2-2mn+n^2)=-4m(m-n)^2
1) 5(a-b)(a+b)
2)5y(y-3)
3)m^5(m^2-1)
4)yz^8(36/49x^2y^4-0,09z^2)
5)b^4(7a^2-9a+1)
6)-4m(m^2-2mn+n^2)=-4m(m-n)^2