Test III. Solve the problems below. Write your solutions in each item. Answers with no solution are considered wrong. (9 Points)

What are the factors of the quadratic equation x² - 10x + 21 = 0?

What will be the result if you transform (x + 6)² = 15 into quadratic equation?

By using the quadratic formula, what are the roots of the equation m² - 5m - 14 = 0?

What is the sum of the roots of the equation 2x² + 8x 10 = 0?


What is the product of the roots of the equation 2x2 + 8x10=0?​