Question

x5 – 3x4 – 15x3 + 45x2 – 16x + 48 = 0
3, 4, i
4, –4, i,–i
3, 4, –4, i, –I ***
3, –4, –i
3. 7x2 – 144 = –x4
3, –3, 4i, 0
3, 4i
3, –3, 4i, –4i
–3, –4i*****

Answer 1

so @gaby236 how did i do