📐 MathLevel 6 — 🔵 IntermediateArithmetic👁 31 views⏱ 1 min read
Giải phương trình (x+1)(x-2) - (x-1)² = 5
📝 Problem
Tìm biết: $(x+1)(x-2) - (x-1)^2 = 5$✨Detailed Solution
📚 Related Knowledge
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