hello can someone please help me out with these calculus questions: and also how to input it into the program called "childsmath" (last picture provides examples)thank you

Problem #1: Use integration by parts to evaluate the following integral. in x 8 dx Enter your answer as a symbolic Problem #1: function of x, as in these Do not include '+ C' in your answer. examplesProblem #4: Evaluate the following integral, _f(l +120) e ar, and write your answer in the form Ae + Be?. Enter the values of A and B (in that order) into the answer box below, separated with a comma. Problem #4: Just Save Submit Problem #4 for Grading Problem #4 | Attempt #1 Attempt #2 Attempt #3 Attempt #4 Attempt #5 Attempt #6 Attempt #7 Attempt #8 Attempt #9 Your Answer: 69,-33 -33,69 Your Mark: 0/2x 0/2% Problem #6: Let Tx x=