2(m+1)²-4m Упростите плиииз

Question

2(m+1)²-4m
Упростите плиииз

Answer 1

2(m+1)²-4m=2(m²+2m+1)-4m=2m²+4m+2-4m=2m²+2

Answer 2

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