👤

cum se rezolva 2×(2x +3)+3×(x+3)= -6

Răspuns :

4x + 6 + 3x + 9 = - 6 <=>
7x + 15 = - 6 <=>
7x = - 21 <=>
x = - 3 .

Bafta !
4x+6+3x+9=-6
7x+15=-6
7x=-6-15
7x=-21
x=-3