AduMaggu5343 AduMaggu5343

10-10-2017
Mathematics

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The product of two consecutive even integers is 80. find all such pairs of integers

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Chriss2001 Chriss2001

11-10-2017

x+x2
x(x+2)=80
x^2+2x-80+0
x^2+10x-8x-80=0
x(x+10)-8(x+10)=0

(x+10)(x-8)=0
x=8 or -10
the numbers are 8 and 10 or -8 and -10
Hope this helps! (:

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