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anonymous
 5 years ago
Given: X = r + 2, Y = 2r  9, and Z = r² + 17r + 30.
Simplify [X · Y  Z] ÷ X.
a) r  24
b) r  24
c) 2r2  6r  33
d) 2r2 + 6r + 33
anonymous
 5 years ago
Given: X = r + 2, Y = 2r  9, and Z = r² + 17r + 30. Simplify [X · Y  Z] ÷ X. a) r  24 b) r  24 c) 2r2  6r  33 d) 2r2 + 6r + 33

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0(B) factor Z=(r+15)(r+2) so, [(X)(Y)Z] = (r+2)(2r9)(r+15)(r+2) take out CF = (r+2)[(2r9)(r+15)] now divide the whole thing by X will get = (2r9)(r+15) = r24
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