CPM Test 2

Factor out the GCF

25x-5

• 5(5x-1)

• 5x(x)

• 5x(x-1)

• 25(x-5)

Factor out the GCF
 $7x^2-49x^{ }$  

•  $7\left(x^2-7x^4\right)$  

•  $7x^{ }\left(1x-7\right)$  

•  $7x\left(x-7x^3\right)$  

Factor out -1 from the polynomial

-36x+25

• -1(36x+25)

• -1(-36x-25)

• -1(36x-25)

factor the trinomial completely
 $x^2-4x-12$  

• (x-6)(x+2)

• (x-3)(x-4)

• (x-4)(x+3)

• (x+6)(x-2)

Factor
 $y^2+14y\ +40$  

• (x+5)(x+8)

• (x+4)(x+10)

• (x-4)(x-10)

• (x+20)(x+2)

 $x^2-9x-18$  

• (x-9)(x+2)

• (x-6)(x-3)
  
  

• (x-9)(x-2)

• prime

factor the binomial
 $x^2-25$  

• (x-5)(x+5)
  
  

• (x-5)(x-5)

• x(x-25)

 $100-64x^2$  

• (10-8x)(10+8x)

• (10-8x)(10-8x)

• (8x-10)(8x+10)

Multiply the binomial

(x-6)(x+3)

• $x^2+3x+18$

• $x^2-6x-18$

• $x^2-3x-18$

Simplify
 $8x^2+5x\ +\ 5x^2-2x$  

•  $18c^5$  

•  $13x^4-3x^2$  

•  $13x^2+3x$