Упростите 2s+1(s+2) ------------ (s^2-4)+(s^2-4)

Question

Упростите 2s+1(s+2) ------------ (s^2-4)+(s^2-4)

Answer 1

1)2s+1(s+2)

2s+s+2

3s+2

2)(s²-4)+(s²-4)

s²-4+s²-4

2s²-8

2(s²-4)