answer and explain these 2 questions

Question 21 4 pts Evaluate the integral using the given substitution. [x4(x5 - 3)# dx , u = x5 - 3 (x5 - 3)5 + C 0 1 (x5 - 3)5 + C 0 1 25X25 - 3 + C O1 15 ( X 5 - 3 ) 3 + C Question 22 4 pts Evaluate the integral using the given substitution. https://eagleonline.hccs.edu/courses/137900/quizzes/890106/take?preview=1 10/12 11/17/2020 Quiz: Math2413 Test 3 - Requires Respondus LockDown Browser NIX+4 , U= 7X + 4 O 217x + 4 + C O 1 7(7x + 4)3/2 + C 217x + 4 0217x + 4 + C