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For what values of $j$ does the equation $(2x+7)(x-5) = -43 + jx$ have exactly one real solution? Express your answer as a list of numbers, separated by commas.

 Aug 3, 2020
 #1
avatar+26620 
+1

Expand the left side....then combine with the R side to get an equation =0

 

 

then ....if the disciminant of the Quadratic Formula = 0       (b2-4ac)    there is only one solution

       use this to solve for j   (there may be more than one)

 Aug 3, 2020

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