Pesite pliz -(5x-1)x(3x5)=78
5x-1x3x5=78 5x=1x3x5+78 5x=93 x=93:5 x=18.6
-(5x-1)x (3x5)=78 -5x+1x3x5x=78 4x=78 x=78÷4 x=19.5