Answer :
Step-by-step explanation:
Hello,
A=Ixw
Step 1:
6+8x
Step 2:
2(3)+2(4x)
Step 3:
2(3+4x)
Step 4:
The dimension of the rectangle are 2 and 3+4x. As a result, Students makes the mistake at Step 2; 2(3)+2(4x). Hope it help!
Answer: (4)
Step-by-step explanation:
At step 2 the student rewrites 6 as 2*(4), and 8x as 2*(6x). This is incireect, since 2*(4) is actually 8, and 2*(6x) is 12x.
The correct way to do it is to rewrite 6 as 2*(3), and rewrite 8x as 2*(4x), which corresponds to the answer option (4)