Question

27a^3-108a^2+144a-217; when a=2​

Answer 1

27*8-108*16+144*2-217

216-1728+288-217

216+288-1728-217

504-1945

-1441

Answer 2

Answer:

Step-by-step explanation:

27×(2)^3 - 108×(2)^2 + 144×(2) - 217 =

= 27×8 - 108×4 + 144×2 - 217

= 216 - 432 + 288 - 217

= - 145.