Question

Factor out 9w-w^3

Answer 1

\[ 9w-w^3~~~~~~->~~~~~~~~w(9-w^2)~~~~~~->~~~~~w(3-w)(3+w)\]

Answer 2

Can u please explain to me step by step please

Answer 3

OK, sure, see how I factored out of w?

Answer 4

yes

Answer 5

after I have \[w(9-w^2) \]
I know that \[a^2-b^2=(a-b)(a+b)\]
9 can be written as 3^2 so what you have is \[w(3^2-w^2)~~~~~->~~~~~w(3-w)(3+w)\]
SEE?