11/29 Algebra review

x² - 9

• (x + 3)²

• (x + 3) (x - 3)

• (x - 3)²

• x + 3(x - 3)

x² - 16

• (x + 4) (x - 4)

• (x + 8) (x - 2)

• (x + 4)²

• x + 4(x - 4)

4x² - 25

• (2x + 5) (2x - 5)

• (2x - 5)²

• (2x + 5)²

• 2x + 5(2x - 5)

Factor:
56a³-8a

• 8a²(56a³-8a)
• 8a(7a²-1)
• 8a(7a³-a)
• 8a²(35a²-a)

Factor
10x² + 15x-5

• 25(10x³+45x-15)
• 5(2x³ + 3x²-x)
• x(10x³+15x-5)
• 5(2x²+3x-1)

Factor Completely.
 $4x^2+24x-64$  

•  $4\left(x+8\right)\left(x-2\right)$  

•  $4(x^2+6x-16)$  

•  $4\left(x^2+24x-16\right)$  

•  $4\left(x-8\right)\left(x+2\right)$  

Factor Completely.
 $25x^2-100$  

•  $5\left(x+4\right)\left(x-4\right)$  

•  $5\left(x^2-20\right)$  

•  $25\left(x^2-4\right)$  

•  $25\left(x+2\right)\left(x-2\right)$  

Factor Completely.
 $8x^2-200$  

•  $8\left(x+5\right)\left(x-5\right)$  

•  $8\left(x^2-25\right)$  

•  $4\left(2x^2-50\right)$  

•  $4\left(2x+25\right)\left(2x-25\right)$  

Factor the Trinomial:
x² - 8x + 15

• (x + 5) ( x + 3)
• (x - 5) (x - 3)
• (x + 15) (x - 1)
• (x - 7) (x - 8)

Factor: x² – 5x – 24

• (x - 5)(x + 19)
• (x - 8)(x + 3)
• (x - 3)(x + 8)
• (x - 19)(x + 5)