Answer:
6i² - 8i + 8
Explanation:
1. Expand Brackets: 8 + 4i - 12i - 6i²
2. Simplify equation: 8 - 8i - 6i²
3. Rearrange: 6i² - 8i + 8
(2 - 3i)(4+2i)
(2 x 4)(2 x 2i) (-3i x 4) (-3i x 2i)
8 x 4i x -12i -6i^2
6i^2 - 12i x 32
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