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cwrw238
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Question from uk math challenge:
How many distinct pairs (x,y) of real numbers satisfy the equation (x + y)^2 = (x + 4)(x  4)
A 0 B 1 C 2 D 3 E 4
I think its B.
 one year ago
 one year ago
cwrw238 Group Title
Question from uk math challenge: How many distinct pairs (x,y) of real numbers satisfy the equation (x + y)^2 = (x + 4)(x  4) A 0 B 1 C 2 D 3 E 4 I think its B.
 one year ago
 one year ago

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cwrw238 Group TitleBest ResponseYou've already chosen the best response.1
ooopps  sorry my error its (x + y)^2 = (x + 4)(y  4)
 one year ago

mukushla Group TitleBest ResponseYou've already chosen the best response.1
u think right
 one year ago

cwrw238 Group TitleBest ResponseYou've already chosen the best response.1
oh  i've assumed they mean real integers
 one year ago

cwrw238 Group TitleBest ResponseYou've already chosen the best response.1
4 and 4 right?
 one year ago
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