Multiplying Binomials & Factoring Difference of Squares

Factor the expression completely:

 $x^2-49$  

• Not Factorable

•  $\left(x-7\right)\left(x+7\right)$  

•  $\left(x-7\right)^2$  

•  $\left(x+7\right)^2$  

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor the expression completely:

 $x^2-121$  

• Not Factorable

•  $\left(x-11\right)^2$  

•  $\left(x+11\right)^2$  

•  $\left(x+11\right)\left(x-11\right)$  

Tags

CCSS.HSA.SSE.A.2

Factor the expression completely:

 $49x^2-36$  

• Not Factorable

•  $\left(7x-9\right)\left(7x+4\right)$  

•  $\left(7x-4\right)\left(7x+9\right)$  

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

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor the expression completely:

 $16x^2-225$  

• Not Factorable

•  $\left(4x-15\right)\left(4x+15\right)$  

•  $\left(8x-25\right)\left(2x+9\right)$  

•  $\left(2x+25\right)\left(8x-9\right)$  

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor the expression completely:

 $100x^2-1$  

• Not Factorable

•  $\left(10x-1\right)\left(10x+1\right)$  

•  $\left(100x-1\right)\left(x+1\right)$  

•  $\left(50x+1\right)\left(50x-1\right)$  

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor the expression completely:

 $64x^2-81$  

• Not Factorable

•  $\left(8x-9\right)\left(8x+9\right)$  

•  $\left(4x-3\right)\left(16x+27\right)$  

•  $\left(64x+9\right)\left(x-9\right)$  

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

x² - 9

• (x + 3) (x - 3)

• (x - 3) (x - 3)

• (x + 3) (x - 6)

• Can't factor using Diff. of Squares

Factor x² – 16.

• (x + 2)(x – 8)

• (x – 4)(x – 4)

• (x + 4)(x + 4)

• (x + 4)(x – 4)

4a² - 25

• (2a + 5) (2a - 5)
• (2a - 5) (2a - 5)
• (x + 5) (x - 5)
• Can't factor using Diff. of Squares