3) Which property is used in the following ?
9 x (4 + 2) = 9 x 4 + 9x2

distributive

Step-by-step explanation:

You broke down the problem and made it longer instead of solving the parenthesies.

step-by-step explanation:

this is not a question

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.