Please show your work. Solve using the quadratic formula. 1. x2 + 3x – 18 = 0 2. x2 + 0x – 36 = 0 3. x2 – 11x + 30 = 0 4. x2 + 13x + 12 = 0 5. 12×2 + 47x + 40 = 0 6. 32×2 – 8x – 4 = 0 7. 12×2 + 16x + 5 = 0 8. 2×2 + 10x + 12 = 0
Please show your work. Solve using the quadratic formula.1. x2 + 3x – 18 = 0
2. x2 + 0x – 36 = 0
3. x2 – 11x + 30 = 0 4. x2 + 13x + 12 = 0
5. 12x2 + 47x + 40 = 0 6. 32x2 – 8x – 4 = 0
7. 12x2 + 16x + 5 = 0 8. 2x2 + 10x + 12 = 0