Question

Simplify 2a+4(7+5a) ?????????????????

Answer 1

22a + 28

Explanation:

Key Concept:

This can be solved by applying the distributive property and then, combining the like terms.

`\dotfill`

We will now evaluate
`\sf{2a+4(7+5a)}`.

The distributive property comes first.

`\sf{2a+28+20a}`

We can now combine like terms:

`\sf{22a+28}`

Answer 2

Answer: 22a + 28

Explanation:

We will use the order of operations, sometimes known as PEMDAS.

Given:

2a + 4(7 + 5a)

Distribute:

2a + 28 + 20a

Combine like terms with addition:

22a + 28