x^4 = (x^2)^2 = (u - 2)^2 = u^2 - 4u + 4 - AMAZONAWS Understanding x⁴ in Algebra: Solving x⁴ = (x²)² = (u − 2)² = u² − 4u + 4 📅 March 6, 2026 👤 scraface Mar 06, 2026