linear expressions

• cannot be factored

Factor this expression. If the expression cannot be factored, select that answer.

7x - 3

• 7(x - 3)

• cannot be factored

• 3(2x - 1)

• 7x = 3

Factor
5x + 25

• can't be factored
• 5(x + 5)
• 5(1 + 5)
  5(1 + 5)
• 5(x + 25)

Factor:  
7x + 48y

• 7(x + 7y)
• 7(x + y)
• can't be factored
• 7(x + 48y)

Find the difference: 
(x - 3) - 2(0.5x - 2) 

• -1
• 2x - 1 
• 2x + 1
• 1

A letter that represents a number is called a _____.

• variable
• coefficient
• constant
• term

Simplify the expression  $3-2\left(2x+1\right)+4x$  

•  $x=0$  

•  $x=1$  

•  $1$  

• Cannot simplify because 3 and 4x are not like terms.

•  $5$  

Factor:
12x - 20

• 4x(3 - 5)
• 4(3x - 5)

Simplify the expression: 7v + 2 + 12 + 2v

• 23
• 23v
• 9 + 14v
• 9v + 14

12x + 9

• 3(4x + 3)
• x(12+9)
• 3(4x - 3)
• not factorable