Daine simplified the expression below. 8(1 + 2i) – (7 – 3i) = 1 + 5i What mistake did Daine make?
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Answer:
Daine did not multiply 8 with 2i and also forgot to change signs.
Step-by-step explanation:
8 + 16i - 7 + 3i = 1 + 5i
LHS = RHS
1 + 18i is not equal to 1 + 5i
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