<h2>
Answer: 600</h2>
Step-by-step explanation:
prime factorization of 75:
75 = 3 × 5 × 5
prime factorization of 120:
120 = 2 × 2 × 2 × 3 × 5
LCM = 2 × 2 × 2 × 3 × 5 × 5
There for the LCM = 600
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Answer:
The left side of the equation is ignored
i is treated as -1, which it is not, it is instead the square root of negative 1.
To solve it properly we get:
(2 - 5i)(5 + 2i)
= 10 + 4i - 25i - 10i²
= 10 + 21i + 10
= 20 - 21i
