+0  
 
+2
63
4
avatar+71 

Ok help

 Oct 18, 2020
 #1
avatar
+2

(x-6)(6x) = 168

6x^2 - 36x - 168 = 0

x^2 - 6x - 28 = 0

x = (6+sqrt148)/2

 = 3 + sqrt148/2 

 = 9.08

 Oct 19, 2020
 #3
avatar+246 
+2

Yeah, what you said.

Nacirema  Oct 19, 2020
 #4
avatar+71 
+2

Thanks A lot Guys!! :)

Mr.CoolPro  Oct 19, 2020
 #2
avatar+246 
+2

1. Area of a square: l*h=168

 

l=x-6

h=6x

 

(x-6)(6x)=168

 

\(6x^2-36x=168\)

 

Solve the quadratic and you got your answer.

 Oct 19, 2020

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