SOLUTION: what is the difference between factoring and expanding?

Question 17600: what is the difference between factoring and expanding?
Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
Factoring and expanding are exactly the opposite operation. To factor means to express as a product. To expand means to multiply something out.

For examples, to factor 15 means to write it as a product 3*5.
To factor 5x+ 20 means to write 5(x+4), which is written as a product.
To factor means to write it as a product .
To expand 5(x+4) means to remove the parentheses and multiply it out: 5x + 20.
To expand means to multiply it out: .

R^2 at SCC

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