If $(x + y)^2 = 45$ and $xy = 10$, what is $(x - y)^2$?
Question:
If $(x + y)^2 = 45$ and $xy = 10$, what is $(x - y)^2$?
Answer:
Let's think step by step.

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If $(x + y)^2 = 45$ and $xy = 10$, what is $(x - y)^2$?
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