SOLUTION: Change the fraction w − 3/w + 5 into an equivalent fraction with the denominator w^2 + w – 20.

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Question 379690: Change the fraction
w − 3/w + 5
into an equivalent fraction with the denominator w^2 + w – 20.
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
Let x = the numerator of the equivelent fraction.
x/(w^2+w-20)=(w-3)/((w+5)
x/((x+5)(w-4))=(w-3)/(w+5)
x=%28cross%28x%2B5%29%28w-4%29%28w-3%29%29%2Fcross%28w%2B5%29
x=(w-4)(w-3)
(w^2-7w+12)/(w^2+w-20) Answer
.
Ed