SOLUTION: w^2-4w-21/w^2-6w+9 * w-3/w-7 = simplify

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Question 281254: w^2-4w-21/w^2-6w+9 * w-3/w-7 =
simplify
Answer by dabanfield(803) About Me  (Show Source):
You can put this solution on YOUR website!
w^2-4w-21/w^2-6w+9 * w-3/w-7 =
((w-7)*(w+3))/((w-3)*(w-3))*(w-3)/(w-7) =
((w-7)/(w-7))*((w-3)/(w-3))*((w+3)/(w-3)) =
1 * 1 *(w+3)/(w-3) =
(w+3)/(w-3)