Solve the following equations: (i) 3  4x² = 85 (ii) 5x² = 500 3  4x² = 85 4x² = 88 {subtracted 3 from both sides} x² = 22 {divided both sides by 4} x = ±√22 {took square root of both sides} 5x² = 500 x² = 100 {divided both sides by 5} x = ±10 {took square root of both sides} © Algebra House
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