(Solved): please help me, i have 2 questions, i got 1/2 and -11/2 for the first one but moodle says it is wr ...

please help me, i have 2 questions, i got 1/2 and -11/2 for the first one but moodle says it is wrong, i think i had some wrong calculations or wrong method. what i did was square both sides and then factorise using quadratic formula. first one is |2x+5|<6 second one is the photo. thanks in advance :)