Expansion annd Factorization L2

x² + 8x + 16

• (x + 4)(x - 4)

• (x + 4)²

• x(x + 8) + 16

• (x - 4)²

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.APR.C.5

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factorise fully 18x + 24

• 3(6x + 8)

• 2(9x + 12)

• 6(3x + 4)

• 6x(3x + 4)

Expand:
(5 - x)(5 + x)

• x² + 25
• 25 - x²
• 25 - 10x - x²
• 25 + x²

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Expand and eventually simplify

 $3g^3\left(2g^4+g^5\right)$  

•  $5g^7+3g^8$  

•  $6g^{12}+3g^{15}$  

•  $6g^7+g^5$  

•  $6g^7+3g^8$  

•  $9g^{15}$  

Factorize completely

 $6p^2+3pq-2p-q$  

•  $\left(2p+q\right)\left(3p-1\right)$  

•  $\left(2p-1\right)\left(3p+q\right)$  

•  $\left(2p-q\right)\left(3p-1\right)$  

•  $\left(2p+q\right)\left(3p+1\right)$  

•  $\left(2p-q\right)\left(3p+1\right)$  

Expand and simplify 3(2x – 5y) + 3(x – 2y)

• 9x – 21y

• 9x + 21y

• 30xy

• 9x – 7y

Which of the following expressions cannot be factored?

• x² – 4x + 4
• x² – y²
• x² + 4x + 4
• x² + y²

Which of the following expressions is equivalent to x² – 4y²?

• (x + 2)(x – 2)
• (x – 2y)²
• (x + 2y)(x – 2y)
• (x + 2y)²

Tags

CCSS.HSA.APR.C.4

Factor: x² - 7x - 12 

• (x + 4)(x + 3)
• (x + 4)(x – 3)
• 3x² – 4x + 7
• Not factorable

Factorise completely:
25m² – 20mn + 4n²

• (5m - 2n)²
• (5m - 2)(5m + 2)
• (5m - 2)²
• (5m - 2n)(5m + 2n)