Question

розкрийте дужки
-5-(4+2b)=

Answer 1

-5 - 4- 2б = -9 - 2б

Answer 2

$-5-(4+2b)=-5+(-1)*(4+2b)=-5+(-1)*4+(-1)*2b=$
$-5+(-4)+(-2b)=-5-4-2b=-9-2b.$