Exercise 2.5 Write each of the following rational expressions in partial fractions: 7x+6 x²+x-6 50 a d (x+3)² (x² + 1)(x+3) b 5x+7 (x-1)(x²+x+2) x² + 4x-3 x-2 C 3x+5 (x - 2)² 7x²-11x+6 (x-1)(2x²-3x+2​