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23-08-2017
Mathematics

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The Square of a positive number is 12 more than 4 times the number. Find the number. [ Only an algebraic solution will be accepted]

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amirreza688 amirreza688

23-08-2017

x^2=4x+12
x^2-4x-12=0
(x+2)(x-6)=0
x=6 is the answer

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