August 2018 2 105 Report
Selesaikan persamaan kuadat berikut dengan pemfaktoran atau dengan melengkapkan kuadrat / rumus ABC
1. x² - 2x -15 = 0
2. 5 + 3x - 2x² = 0
3. ax² + (ab + 1) x + b = 0
4.x² - 8x - 24 = 0
5. 9x² - 12x + 2 = 0

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