Solve the quadratic equation

Question 1

Solve the quadratic equation

x² + 5x + 6 = 0

Answer 1

x = -2 amd x = -3

Question 2

Solve the quadratic equation

x² - 5x + 6 = 0

Answer 2

x = 2 amd x = 3

Question 3

Solve the quadratic equation

x² + 7x + 6 = 0

Answer 3

x = -1 amd x = -6

Question 4

Solve the quadratic equation

x² - 7x + 6 = 0

Answer 4

x = 1 amd x = 6

Question 5

Solve the quadratic equation correct to 3 significant figures

2x² - 9x + 6 = 0

Answer 5

x = 1.63 amd x = 3.87