Question

Factor -5x2y + 10xy - 15xy2.

Answer 1

First, factor out a common factor from all terms.

Answer 2

...would that be 5xy?

Answer 3

That's good, but -5xy is better.

Answer 4

What do you have factoring that common factor out?

Answer 5

ok. NOw what do I do?

Answer 6

Did you factor -5xy out? What do you have?

Answer 7

\[-5xy(\cdots)\]You should get something in this form.

Answer 8

-5xy(x - 2 + 3y) is that right?

Answer 9

Yes, that is it. :-)

Answer 10

-5xy(x-2+3y)

Answer 11

You are done. There's nothing more you can do.

Answer 12

Optional: Write the variable terms first and constants later.

Answer 13

thank you :]