Asked by gabs

how do u factor 5w^2-35w+60=0
if u could...can y plz explain it..i keep getting 3 ansers instead of 2
Answered by Michael
Start by factoring out a 5 from each term. What do you come up with?
Answered by gabs
i got 5(w^2-7w+12)=0...is that right?..and then do i factor the middle?...but when i did i get 3 answers
Answered by Michael
Yes, that's good.

You're going to want something in the form (__ + __)(__ + __)
One or both of the signs could be negative, though.

Look at the 12. What are its two closest factors? When added, do they equal 7?

You can check yourself by using the FOIL method after you come up with your factorization. Now, what do you get?
Answered by Michael
I should mention that you are ignoring the 5 now and working solely with w^2-7w+12.
Answered by gabs
i got 5(w-3)(w-4)...that i totally understand...now i put 5=0 w-3=0 and w-4=0...hmm...i see wat i did now..one last question wat do i do with the 5=0?
Answered by Michael
You just ignore the 5, as 5 cannot equal 0. Your answers are just w = 3 and w = 4.
Answered by Anonymous
thank u very very much...that helped ALOT
Answered by Michael
Glad to help. :)
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