rebekkaelia2010 rebekkaelia2010 21-10-2022 Mathematics contestada Answer all of these with explannation of how you got this answer–10x – x4 + 7(x + 3)5(–2xy)–k + 3(4k –1) + 26(–2y) – 9 + 4(–2y + 6)6(–2y) – 9 + 4(–2y + 6)5(b – 4) + 12