Question

Joe concluded that the expression 3x + 15 + 2x is equivalent to the expression 5(x + 3). Which of these best explains how Joe reached his conclusion?​

Answer 1

The third one (combining like terms then dividing by five)

Explanation:

Answer 2

combining like terms and dividing each term by 5

Explanation:

3x + 15 + 2x Given

5x +15 Combine Like Terms

5x = 5 x Find the LCM

15 = 5 3 LCM is 5

5(x + 3) Pull the 5 out of both and put the remaining factors in parentheses

hope this helps <3