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This is Josh's solution for the equation x^2 + 10x - 88 = 8.

 

Where is the mistake made?

 

 Mar 7, 2021
 #1
avatar+31212 
+1

Here is what it SHOULD look like

x^2 + 10x = 96

(x+5)^2     = 96 + 25

(x+5)^2    = 121

 

(x+5) =  +-11

x = 6     x = -16

 Mar 7, 2021

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