Asked by joann
please explain and show step to this factoring problem 9w - w3 and 3h2 the 2 power + 1+3a this really makes no sense to me HELP
Answers
Answered by
Steve
you just need to d a lot of these problems. Look for common factors.
9w-w^3
clearly w can be factored out, so
w(9-w^2)
Now you have to recall the difference of squares is x^2-y^2 = (x-y)(x+y), so
w(3-w)(3+w)
As for the rest, I have no idea what
<u>3h2 the 2 power + 1+3a</u>
even means, much less how to factor it.
9w-w^3
clearly w can be factored out, so
w(9-w^2)
Now you have to recall the difference of squares is x^2-y^2 = (x-y)(x+y), so
w(3-w)(3+w)
As for the rest, I have no idea what
<u>3h2 the 2 power + 1+3a</u>
even means, much less how to factor it.
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