Quadratic Equations

Solve:

x² + 4x + 3 = 0

• x= -3, -1

• x= 3, 1

Solve:

x² + 7x + 12 = 0

• x= 2, 6

• x= -2, -6

• x= -3, -4

• x= 3, 4

Solve:

x² + 6x + 8 = 0

• x= -4, -2

• x= -8, -1

Solve:

x² + 5x + 6 = 0

• x= -6, -1

• x= -2, -3

Solve:

x² - 8x + 15 = 0

• x= -5, -3

• x= 5, 3

Solve:

x² - 9x + 18 = 0

• x= 6, 3

• x= 2, 9