Simplify the expression 4 (9x)

36x

Step-by-step explanation:

Distribute the 4 by multiplying everything in the parentheses by 4

4 (9x)

4*9x

4 and 9 multiply, and the x can be tacked on the end

4*9=36

Tack on the x

36x

36x

Multiply x and 9

Multiply x and 1

The x just gets copied along.

The answer is x

x

9*x evaluates to 9x

Multiply 4 and 9x

Multiply 1 and x

The x just gets copied along.

x

4 * (9*x) evaluates to 36x

The final answer is

36x