Find all the zeros of each equation.?

1. x^5 – 3x^4 – 15x^3 + 45x^2 – 16x + 48 = 0
A. 3, 4, i
B. 4, –4, i,–i
C, 3, 4, –4, i, –i
D. 3, –4, –i
2. x^3 – x^2 + 5x – 5 = 0
A. i, –i, 1
B. i, –i, –1
C. , –, –1
D. i, 1
3. 7x^2 – 144 = –x^4
A. 3, –3, 4i, 0
B. 3, 4i
C. 3, –3, 4i, –4i
D. –3, –4i

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