Factoring by Grouping Practice

 $Factor\ :\ \ 4n^3-6n^2-6n+9$  

•  $\left(2n+3\right)\left(2n^2+3\right)$  

•  $\left(2n^2+3\right)\left(2n^2-3\right)$  

•  $\left(2n^2-3\right)\left(2n+3\right)$  

•  $\left(2n^2-3\right)\left(2n-3\right)$  

 $Factor\ \ 6x^3-30x^2-7x+35$  

•  $\left(6x^2-7\right)\left(x-7\right)$  

•  $\left(6x^2-7\right)\left(x-5\right)$  

•  $\left(x-7\right)\left(6x^2+5\right)$  

•  $\left(6x^2-5\right)\left(x-7\right)$  

 $Factor\ 42b^3-36b^2+7b-6$  

•  $\left(6b^2+1\right)\left(7b-6\right)$  

•  $\left(6b^2+1\right)\left(7b+6\right)$  

•  $\left(42b+6\right)\left(b^2-1\right)$  

•  $\left(6b^2-1\right)\left(b^2+6\right)$  

 $Factor\ \ 8n^3-3n^2-40n+15$  

•  $\left(n^2+5\right)\left(8n-5\right)$  

•  $\left(n^2-5\right)\left(8n-3\right)$  

•  $\left(n^2+5\right)\left(8n+3\right)$  

•  $\left(n^2-5\right)\left(8n-5\right)$  

Which of the following is a factor of: $10x^3-25x^2-12x+30$ 

•  $2x-5$  

•  $2x+5$  

•  $x+3$  

•  $5x^2+6$  

Which of the following is a factor of:

 $\ a^3+a^2+2a+2$  

•  $a^2+2$  

•  $a^2+1$  

•  $a+2$  

•  $a-1$  

find the gcf of 9,18

• 2
• 5
• 9
• 18

find the gcf of 5,25

• 25
• 10
• 2
• 5

What does GCF stand for?

• Good Cold Flu
• Gaussian Coefficient Formula
• Given Clear Function
• Greatest Common Factor

What is the GCF of 18k and 15k³

• 3k²
• 3k³
• 3k
• 5k