Solving a Quadratic Equation by Factoring

• Factor

• Subtract 6 from both sides to set the equation equal to 0

• Set each factor equal to 0

• Combine like terms

Solve the following quadratic equation by factoring. x² - 9x + 20 = 0

• x = -2 or x = 10

• x = -5 or x = -4

• x = 4 or x = 5

• Not factorable

Solve the following quadratic equation by factoring.

x² + 2x - 15 = 0

• x = 3 or x = 5

• x = 5 or x = -3

• x = -5 or x = 3

• x = -3 or x = -5

Solve for x by factoring.

• -6, -2

• -2, 6

• 2, 6

• -6, 2

• -2, 4
• -8
• ±8
• No real solution

Solve by factoring

• -4, 2

• -2, 4

• -16

• -4

Solve for n by factoring.

• -4, 2

• -2, 4

• -16

• -4

Solve the equation by factoring.

• x = {1}

• x = {-1}

• x = { }

• no solution

Solve by factoring. (HINT: Factor GCF 1st)

• x = 3, x = -6

• x = 0, x = 2

• x = 2, x = 3

• x = -2, x = 1

Find the values for n.

• -4, 2

• -2, 4

• -16

• -4