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30 votes
30 votes
What is the product of the expression (r - 7) (x-3)?

User Signus
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2 Answers

25 votes
25 votes

Answer:

rx-3r-7x+21

Explanation:

Since you don't know what r or x stand for, you need to distribute.

First, you would do r(x-3)-7(x-3)

Then, you would distribute again to make it rx-3r-7(x-3)

Last, you would distribute AGAIN to make it rx-3r-7x+21

The 21 comes from 7·x and 7·3

User Mike Burba
by
2.9k points
12 votes
12 votes

Answer:

the ration is 3:7r

Explanation:

User Mavix
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3.0k points