解
展開する (−4s3+48s2−192s+229)327(4−s)9
解
−64s9+2304s8−36864s7+342768s6−2033280s5+7946496s4−20369964s3+32877072s2−30206016s+120089897077888−15925248s+15925248s2−9289728s3+3483648s4−870912s5+145152s6−15552s7+972s8−27s9
解答ステップ
(−4s3+48s2−192s+229)327(4−s)9
(−4s3+48s2−192s+229)3=−64s9+2304s8−36864s7+342768s6−2033280s5+7946496s4−20369964s3+32877072s2−30206016s+12008989
=(−64s9+2304s8−36864s7+342768s6−2033280s5+7946496s4−20369964s3+32877072s2−30206016s+12008989)27(−s+4)9
(4−s)9=262144−589824s+589824s2−344064s3+129024s4−32256s5+5376s6−576s7+36s8−s9
=(−64s9+2304s8−36864s7+342768s6−2033280s5+7946496s4−20369964s3+32877072s2−30206016s+12008989)27(−s9+36s8−576s7+5376s6−32256s5+129024s4−344064s3+589824s2−589824s+262144)
括弧を削除する: (−a)=−a=−64s9+2304s8−36864s7+342768s6−2033280s5+7946496s4−20369964s3+32877072s2−30206016s+1200898927(262144−589824s+589824s2−344064s3+129024s4−32256s5+5376s6−576s7+36s8−s9)
拡張 27(262144−589824s+589824s2−344064s3+129024s4−32256s5+5376s6−576s7+36s8−s9):7077888−15925248s+15925248s2−9289728s3+3483648s4−870912s5+145152s6−15552s7+972s8−27s9
=−64s9+2304s8−36864s7+342768s6−2033280s5+7946496s4−20369964s3+32877072s2−30206016s+120089897077888−15925248s+15925248s2−9289728s3+3483648s4−870912s5+145152s6−15552s7+972s8−27s9