Factoring Review

Factor:

56a³-8a

• 8a²(56a³-8a)

• 8a(7a²-1)

• 8a(7a³-a)

• 8a²(35a²-a)

Factor:
 2n²-8n³

• 2n²(n-4n²)
• 2n²(1-4n)
• 2n³(10-8n²)
• 3n(1-4n)

Factor:
2n³+16n+12

• 2n(n³+24n+6)
• 2(n³+8n+6)
• 2n(n³+8n+6)
• 3(n³+8n+6)

Factor
12x + 9

• 3(4x + 3)
• x(12+9)
• 3(4x - 3)
• not factorable

   6m² + 16m

• 2(3m² + 8m)
• 2m(3m + 8)
• 2m(3m - 8m)
• not factorable

Factor by using GCF:

8r³ + 16r²

• 4r²(2r + 4)

• 8r²(r + 2)

• 8(r³ + r²)

• 4(r³ + 2r²)

Factor:
 $5a^2-15$  

•  $5\left(a^2-15\right)$  

•  $5a\left(a-15\right)$  

•  $5\left(a^2-3\right)$  

•  $5a\left(a-3\right)$  

Factor:

 $7x+49$  

•  $7x\left(x+49\right)$  

•  $7\left(x+7\right)$  

•  $49\left(x+7\right)$  

•  $x\left(7+49\right)$  

 $12c^2-20a^2$  

Factor:

•  $2\left(6c^2-10a^2\right)$  

•  $4\left(3c^2-5a^2\right)$  

•  $2a^2c^2\left(6-10\right)$  

•  $4\left(ca\right)^2\left(3-5\right)$  

 $36a^2+24a$  

Factor:

•  $12a\left(3a+2\right)$  

•  $a\left(36a+24\right)$  

•  $12\left(3a^2+2a\right)$  

•  $a^2\left(36+24a\right)$