x +3 = 0 X-3 2x - 3 - 0 2x = 3 x = 3/2 Solutions of the equation are x = 3/2 and x = -3 V. Activities A. Identify the values of a, b and c and find the discriminant of the following quadratic using b2 - 4ac: b Discriminant b2 - 4ac: а Equation 1. x2 - 5x - 14 = 0 2. 2x2 + x = 5 3. x2 + 25 = 10x 4. 4x2 - 9x + 7 = 0. 5. 3x2 + 2x - 5 = 0 6. 2x2 - 7x - 4 = 0 7. 2x2 + 6x + 4 = 0 8. 3x2 - 5x = -4 9.9x2 - 6x 9 10 12x2.4x = 8. 8​