Question

How to simplify `3xx(5+7)`?

Answer 1

36

Explanation:

The sum of 5 and 7 is 12.
`5+7=12`

Three times 12 is 36.
`3*12=36`

Answer 2

The answer is `36`.

Explanation:

`3xx(5+7)`

Carry out the addition in the parentheses first. (PEMDAS)

`3xx12` `larr` Multiply.

`36` `larr` Simplify.