
Bradford T. answered 04/21/21
Retired Engineer / Upper level math instructor
Looks right
8x/(x2-16)÷2x/(x+4) = 8x/((x+4)(x-4))×(x+4)/2x
(x+4)'s cancel and 8x/2x = 4
Answer = 4/(x-4)
Pi A.
asked 04/21/218x/(x2 - 16) ÷ 2x/(x + 4)
Bradford T. answered 04/21/21
Retired Engineer / Upper level math instructor
Looks right
8x/(x2-16)÷2x/(x+4) = 8x/((x+4)(x-4))×(x+4)/2x
(x+4)'s cancel and 8x/2x = 4
Answer = 4/(x-4)
Andrew M. answered 04/21/21
Math Teacher | Instructional Designer
I got the same answer on my end. Great work! If you have any questions about it, I'll be happy to answer them.
Mark M. answered 04/21/21
Mathematics Teacher - NCLB Highly Qualified
[8x / (x + 4)(x - 4)][(x + 4) / 2x]
[8x / (x - 4)][1 / 2x]
4 (x - 4)
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