with detailed explanation please a,b and c

MATH1045 2 1. Last names beginning with A-H Evaluate each of the following integrals, using either substitution or algebraic manipulation. You must show all steps; for substitution, this means showing the five steps as defined in the notes. Explain how you decided whether to use substitution or algebraic manipulation for each one. 52-2 (2) 2x3 - 5 da (b) (423 + 612 + 2). 374 +215 +20 da (c ): 4x5 + 8x2 - 7 dx 3x2