Factoring Review

Factor: x²+7x+10

• (x+5)(x+2)
• (x-5)(x+2)
• (x+5)(x-2)
• (x-5)(x-2)

Factor: x² - 10x + 25

• (x + 5) (x - 5)
• (x - 15) (x + 10)
• (x + 5) (x - 20)
• (x - 5) (x - 5)

Factor: x²+4x-21

• (x-7)(x-3)
• (x-7)(x+3)
• (x+7)(x-3)
• (x+7)(x+3)

Factor: r² - 6r -27

• (r - 3)(r + 9)
• (r + 3) (r - 9)
• (r - 3) (r - 9)
• (r + 3) (r + 9)

Factor: 5x² - 28x + 32

• (3x-10)(x+6)
• (x-8)(5x-4)
• (5x-8)(x-4)
• (5x-8)(x+7)

Factor: 9x² - 6x - 8

• (3x+2)(3x-4)
• (3x+2)(3x+4)
• (3x-2)(3x-4)
• (x-1)(9x+8)

Factor: 3x² + 5x - 12

• (3x + 4)(x-3)
• (3x - 4)(x + 3)
• (3x + 3)(x -4)
• (3x - 3)(x + 4)

Factor: x² - 36

• (x + 9)(x - 4)
• (x - 6)(x - 6)
• (x - 9)(x + 4)
• (x + 6)(x - 6)

Factor: x² - 225

• ( x + 15) ( x + 15) 
• Prime
• ( x - 15) ( x + 15) 
• ( x - 15) ( x - 15) 

Factor: 9-4x²

• 9(1-4x²)
• (3-2x)(3-2x)
• (2x-3)(2x+3)
• (3-2x)(3+2x)