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Mathematics, 11.10.2019 20:30 ImCoolJenny

Can someone check my work? . 1. simplify the given expression.. (7 βˆ’ 3i) β€’ (2 βˆ’ i) . 4 + i (my answer) . 14 + 3i . 11 βˆ’ 13i . 14 βˆ’ 10i . 2. simplify the given expression.. (βˆ’5 + 3i) β€’ (1 βˆ’ 2i) . βˆ’5 βˆ’ 6i (my answer). 1 + 13i . 2 + i . 4 βˆ’ 5i . 3. simplify the given expression.. (1 + 3i) + (2 βˆ’ 5i) . βˆ’1 βˆ’ 2i . 3 βˆ’ 2i (my answer). 4 βˆ’ 3i . 5 + 6i . 4. simplify the given expression.. (6 + 2i) βˆ’ (8 βˆ’ 3i) . βˆ’2 + 5i (my answer). βˆ’2 βˆ’ i . 8 + 5i . 8 βˆ’ 5i .

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Can someone check my work? . 1. simplify the given expression.. (7 βˆ’ 3i) β€’ (2 βˆ’ i) . 4 + i (my answe...
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