I Need Help With Math Calculus Integration Problems Please Refer To An Attachmen

I need help with Math Calculus Integration problems. Please refer to an attachment to these questions or comment
the explanation for the answers
1. Evaluate the following indefinite integrals:a. J 2×3 + (12/x5) – 7e4x dxb. J (x+ 3) / (x2 + 6x)? dx2. Evaluate the definite integral:5S (6x? – 3x + 5) dx23. Find the area lying between f(x) = -x? + 1 and g(x) = 2x + 4, from x =-1 to x = 24. Find the area between the curves y = – x3, y = 0, x = – 3, and x = 1
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