Question

помогите пж до понедельника

Answer 1

1)14-14m^2=14(1-m^2)=14(1-m)*(1+m)
2)3m-3m^2=3m*(1-m)
3)7x^5-7xy^2=7x*(x^2-y)*(x^2+y)
4)5x^2y^2-45a^2b^2=5(x^2y^2-9a^2b^2)=5(xy-3ab)*(xy+3ab)
5)3x^2-24xy+48y^2=3(x^2-8xy+16y^2)=3(x-4y)^2

Answer 2

а 2 номер