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Mathematics
Karson Huff
9 June, 23:23
Multiply y^2-16/2y. 5y/y-4
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Benitez
10 June, 00:23
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So, first we multiply the fraction by using the formula a/b times c/d = a times c/b times d
= (y^2-16) times 5y/2y (y-4)
Now, we cancel the common factor y
= (y^2-16) times 5/2 (y-4)
Now, we factor 5 (y^2-16)
We factor (y^2-16) first
y^2-16
Rewrite 16 as 4^2
y^2-4^2
Now, apply the formula x^2-y^2 = (x+y) (x-y)
=y^2-4^2 = (y+4) (y-4)
=5 (y+4) (y-4)
=5 (y+4) (y-4) / 2 (y-4)
Cancel the common factor y-4
=5 (y+4) / 2
Answer: 5 (y+4) / 2
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