FairyTailsLucy FairyTailsLucy 19-05-2015 Mathematics Answered 1) Subtract: g-2 / 6 (g - 2 over 6) - g+3 / 9 (g+3 over 9) A. g-12/18 B. -2/18 C. -g-5/18 D. g-5/18 2) Divide and simplify: (a+5)(a-2) / a^2 - a ÷ 3(a+5) / (a-1)(a-2) A. a+5 / a-2 B. (a-2)² / 3 C. (a-2)² / 3a D. 3(a+5)² / a(a-1)² 3) Factor completely: 81x4 – 1 A.(9x2 + 1)(3x + 1)(3x – 1) B.(3x + 1)2(3x – 1)2 C.(9x2 + 1)(9x2 – 1) D.(3x + 1)(3x – 1)