赤城 (◕ᴗ◕🎀) almost 2 yearsago 1 ⑴ 19i ⑵ -8i 2 ⑴ x = ±17i ⑵ x = ±3√3i 3 ⑴ -15 ⑵ -4-6i ⑶ 21+i ⑵ 2−i Post A Comment