Question

Expand the following expression: 4 (2k + j)

Answer 1

4(2k + j) = 8k + 4j

Explanation:

4(2k + j)

Distribute in the 4.

4 * 2k + 4 * j

Multiply 4 and 2k.

8k + 4 * j

Multiply 4 and j.

8k + 4j

Answer 2

• 
  `\boxed{\sf{8k+4j}}`

Explanation:

Use the distributive property.

Distributive property:

⇒ A(B+C)=AB+AC

4(2k+j)

First, multiply by expand.

→ 4*2k=8k

→ 4*j=4j

Rewrite the problem down.

= 8k+4j

`\Longrightarrow: \boxed{\sf{8k+4j}}`

• Therefore, the correct answer is 8k+4j.

I hope this helps! Let me know if you have any questions.