Equivalent expression 3

Ariel needs to calculate 12×8-6×8.


Which expression will give Ariel the same answer?


A.8×(12-6)
B.8×(12-8)
C.(12×6)-(8×8)
D. (12×6)-(8+8)

Correct answer:

x = A

Step-by-step explanation:

$$\begin{gathered} v=12\cdot 8-6\cdot 8=48 \\ A=8\cdot (12-6)=48 \\ B=8\cdot (12-8)=32 \\ C=(12\cdot 6)-(8\cdot 8)=8 \\ D=(12\cdot 6)-(8+8)=56 \\ x=A \end{gathered}$$

Try another example