Question

Which of the following expressions is equivalent to 7(x+3

10+x
7x +21
7x +3
3x +21

Answer 1

by using the distributive property you can find that 7(x+3) is 7x + 21.

Answer 2

7(x + 3)....distribute the 7 through the parenthesis...that means multiply 7 by everything in the parenthesis.

7(x + 3) = (7 * x) + (7 * 3) = 7x + 21