Mathematics knowledge · Difficulty 2
Try this ASVAB-style question.
Choose your answer before opening the explanation. This original practice item is for preparation and does not reproduce an official test question.
Which expression equals 4(x + 3)?
- 4x + 3
- x + 12
- 7x
- 4x + 12
Reveal answer and explanation
4x + 12
Use the distributive property: 4 × x + 4 × 3 = 4x + 12.