SOLUTION: If x and y are positive consecutive odd integers, where y > x, which of the following is equal to {{{y^2-x^2? (a) 2x (b)4x (c)2x+2 (d)2x+4 (e)4x+4

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Question 92652: If x and y are positive consecutive odd integers, where y > x, which of the following is equal to y^2-x^2?
(a) 2x
(b)4x
(c)2x+2
(d)2x+4
(e)4x+4
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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If x and y are positive consecutive odd integers, where y > x, which of the following is equal to If x and y are positive consecutive odd integers, where y > x, which of the following is equal to y^2-x^2?
:
Let y = (x+2)
:
Substitute (x+2) for y and you have:
(x+2)^2 - x^2
:
x^2 + 4x + 4 - x^2; FOILed (x+2)(x+2)
:
4x + 4