1. x² + x = 30
2. 2x² – 15x + 28 = 0
3. 9x² – 6x + 1 = 0
4. x(2x – 3) = -1
5. (x-1)² = x-1
Tentukan akar akar dari persamaan kuadrat:
1. x1=-6 x2= 5
2.x1= 7/2 x2= 4
3.x =1/3
4.x1=2 x2=1
5.x1= 1
1. x² + x = 30
2. 2x² – 15x + 28 = 0
3. 9x² – 6x + 1 = 0
4. x(2x – 3) = -1
5. (x-1)² = x-1
Tentukan akar akar dari persamaan kuadrat:
1. x1=-6 x2= 5
2.x1= 7/2 x2= 4
3.x =1/3
4.x1=2 x2=1
5.x1= 1