good day tutor , I'm about to study integration subtopic , please help me answers these questions in step-by-step solutions and full explanations , thank you

Tutorial 19 1. Find J [ Vx (x + 3x2 ) + 2ex dx. 0 2. Find (Sep 14) a ) [ ( x + 3 ) ( * 2 - 2 ) dx -1 N b) [ (e- 3x - 2x-1 ) dx 1 5 2 3. Find - X+ dx . (Oct 16) X N 4. Evaluate [x(1-vx ) dx . O 5. Evaluate s(e- 2x - 3 ) dx . 6. Evaluate (x + 1) (x2 - 4x + 3) dx (Jul 20) 0