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For what values of y does the following equation have no solutions for x?

xy + 4x + 2y + 8 = 1

 Nov 10, 2021
 #1
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Try Simon's Favorite Factoring Trick. Research it online

 Nov 11, 2021
 #2
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For what values of y does the following equation have no solutions for x?

xy + 4x + 2y + 8 = 1

 

Hello Guest!

 

\(xy + 4x + 2y + 8 = 1\\ xy+4x=1-8-2y\\ x=-\dfrac{2y+7}{y+4}\)

For y = - 4 does the equation have no solutions for x.

laugh  !

 Nov 11, 2021
edited by asinus  Nov 11, 2021

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