Answer :
Answer:
7 ( 3x + 5y) = 21x+35y
Step-by-step explanation:
Step 1 : apply the distributive law. ("the law relating the operations of multiplication and addition")
a ( b + c ) = ab + ac
7 ( 3x + 5y) = 7 x 3x + 7 x 5y
Step 2 : simplify 7 x 3x + 7 x 5y
So, the answer is 21x+35y
Brainliest? :D and hope this helps!
Learn more about Distributive Property:
https://brainly.com/question/2807928