Answer:
3. (x - 2)(x + 2) * (X + 3) * (X - 3) = 0(x ^ 2 - 4)(x ^ 2 - 9) = 0x ^ 4 - 4x ^ 2 - 9x ^ 2 + 3b = 0x ^ 4 - 13x ^ 2 + 3b = 0
4. (X + 1)(X - 2) * (X - 1/2) = 0 (x ^ 2 - x - 2)(x - 1/2) = 0
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Answer:
3. (x - 2)(x + 2) * (X + 3) * (X - 3) = 0(x ^ 2 - 4)(x ^ 2 - 9) = 0x ^ 4 - 4x ^ 2 - 9x ^ 2 + 3b = 0x ^ 4 - 13x ^ 2 + 3b = 0
4. (X + 1)(X - 2) * (X - 1/2) = 0 (x ^ 2 - x - 2)(x - 1/2) = 0