Question

collect like terms: a-13a my answer: a(13-a) am i correct, if not what am i doing wrong?

Answer 1

a-13a
is the question

Answer 2

No, it is not correct!

Answer 3

\[a(13 - a) = 13a - a^2 \]

Answer 4

how did you get that?

Answer 5

Well, never mind that, but

a - 13a

is not equal to

a(13 - a)

Answer 6

If you know a little about factorization, then,

a - 13a

is equal to

a(1 - 13)

You can simplify 1 - 13.

Answer 7

What is 1 - 13?

Answer 8

-12

Answer 9

Right, and what is

a(-12)

?

Answer 10

-12a

Answer 11

And that is the correct answer. :)

Answer 12

ooh ok!!

Answer 13

thank you:)