5x² – 14x – 24 = 0
kakak tlong dong..nih guru ngejelasin gak paham T_T
Tentukan persamaan kuadrat dengan cara melengkapi kuadrat sempurna;
5x? + 14x – 3 = 0 (5x? – x) + (15x – 3) = 0 x(5x – 1) + 3(5x – 1) = 0 (x + 3)(5x – 1) = 0 x = 1/5 V x = -3
5x² – 14x – 24 = 0
kakak tlong dong..nih guru ngejelasin gak paham T_T
Tentukan persamaan kuadrat dengan cara melengkapi kuadrat sempurna;
5x? + 14x – 3 = 0 (5x? – x) + (15x – 3) = 0 x(5x – 1) + 3(5x – 1) = 0 (x + 3)(5x – 1) = 0 x = 1/5 V x = -3