Lisa was the first settler of Nebraska.
Quote:
"I find that I have travelled a great distance while others are deciding whether to start their journey today or tomorrow."
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... will make it a perfect square trinomial of the form x2 + 2xy + y2. Since "2xy" in this case is (b/a)x, we must have y = b/(2a), so we add the square of b/(2a) to both ...