Question

Jess solved the quadratic equation x2+2x=8
but made a mistake. Her work is shown below. Identify the step(s) in which a mistake was made.

Step 1: x2+2x−8=0


Step 2: (x−4)(x+2)=0


Step 3: x−4=0
 or x+2=0


Step 4:x=−4
or x=−2


(1 point)
Responses

Step 2 Only
Step 2 Only

Step 3 Only
Step 3 Only

Step 4 Only
Step 4 Only

Steps 2 and 3 
Steps 2 and 3 

Steps 2 and 4

Answer 1

Steps 3 and 4

Answer 2

choose from the given answers

Answer 3

Steps 3 and 4

Answer 4

Choose from these answers only

Step 2 Only

Step 3 Only

Step 4 Only

Steps 2 and 4

Steps 2 and 3

Answer 5

Steps 2 and 4