- 1. x2 - 6x - 7 = 0 2. x2 - 64 = 0 3. -2x +8 = -9x2 4. x2 = 3x + 10 5. 4x2 -2 = 0 - 6. 2x(x + 1) = 0 7. (x + 4)2 = 5 8. (x+3)(x – 3) = x(4x + 5) 9. (x + 5)(x - 9) = 21 10. x(2x - 4) = (x − 2)(x-2 - - Process Questions: a. What mathematics concepts or principles did you apply to write each quadratic equation in standard form? Discuss how you applied these mathematics concepts or principles. b. Write the steps in transforming a quadratic equation to its standard form, C. Which quadratic equations did you find difficult to write in standard fom? Why?​