factoring

Factor completely.  $5x^2-10x-40$  

• 5 (x + 2) (x - 4) 

• 2 (x - 9) (x - 5)

•  5 (x + 2) (x + 4)

• 4 (x - 10) (x - 6)

 $2m^2+10m+8$  Factor completely.

•  6 (m + 7) (m - 4) 

• 3 (m + 3) (m - 8)

• (m + 1) (m + 4)

• 2 (m + 1) (m + 4) 

 $4x^2+48x+140$  Factor completely. 

•  4 (x - 5) (x - 7)

• 4 (x + 5) (x + 7) 

• 4 (x - 3) (x - 4)

• not factorable

 $2m^2-6m-20$   Factor completely.

• 2 (m - 6) (m - 3) 

• 2 (m - 5) (m - 2) 

•  2 (m + 8) (m + 6) 

•  2 (m - 5) (m + 2) 

 $3x^2+29x-10$  Factor completely.

•  (3x - 1) (x + 10) 

• (x - 1) (3x - 10)

•  3 (x - 1) (x - 10) 

• (3x - 1) (x - 10) 

 $5n^2-33n+18$  Factor completely. 

• (5n - 3) (n - 6)

• (n - 3) (5n + 6)

• (n - 3) (5n - 6)

•  4 (7n + 4) (n - 5)

 $28n^2+68n+40$  Factor completely. 

• (5n - 7) (n + 10)

• (7n - 9) (n - 3) 

• (2n - 3) (n + 4)

• 4 (7n + 10) (n + 1) 

 $7p^2-9p$  Factor completely.

•  (7p+3)(p-3)

• Not factorable

•  p (7p + 9) 

•  p (7p - 9) 

 $20p^2-4p-16]$  Factor completely.

• 20 (p + 4) (p + 1) 

•  4 (5p + 4) (p - 1) 

• 2p (5p + 9)

• 2 (2p - 1) (p - 6)

 $25n^2-210n+80$  Factor completely. 

•  5 (n - 2) (n + 8)

•  5 (n - 2) (5n + 8)

• 5 (5n - 2) (n - 8) 

• 25 (n - 2) (n + 8)