Question

Which expression is equivalent to 3(7x − 5)?

A) 10x − 15
B) 10x − 8
C) 21x − 15
D) 21x − 8

Answer 1

Answer: 21x-15

Explanation:

Answer 2

21x-15

Explanation:

Use the distributive property:

3×7x=21x

3×5=15

Don't forget the - sign!!!

So,

3(7x - 5) = 21x - 15