Factor each expression completely. Basic strategies (see Appendix A at the end) Quadratic form Working with rational and negative exponents (a) 3-27x2 (b) x + 8x² – 20x (c) 4x1-877 (d) 4(x+5)*(x – 1)* +2(x+5)*(x-1) (e) 3x3 – 9x? +6x (1) (x2+3)° (3)(4x + 7)**(4)+(4x+7) °(2)(x² + 3)(2x)