1) (1/2x+3)·(x-17)=0
1/2x+3=0
x-17=0
x₁= -6 ; x₂= 17
2) (5/7x+11)·(12-x)=0
5/7x+11=0
12-x=0
x₁=-77/5 ; x₂=12
1) (1/2x+3)·(x-17)=0
1/2x+3=0
x-17=0
x₁= -6 ; x₂= 17
2) (5/7x+11)·(12-x)=0
5/7x+11=0
12-x=0
x₁=-77/5 ; x₂=12