Question

упростите выражения 2(м+1)²-4м

Answer 1

2*(m^2+2m+1)-4m=2m^2+4m+2-4m=2m^2+2

Answer 2

$2(m^{2}+2m+1)-4m=2m^{2}+4m+2-4m=2m^{2}+2=2(m^{2}+1)$