Question

Раскройте скобки.m(1+m)-(m-1)Плиз оч надо.

Answer 1

m(1 + m) - (m - 1) = m + m2 - m + 1 = m2 + 1

Answer 2

m(1+m)-(m-1)=m+m^2-m-1=m^2-1