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f(-5)=x^2-8x find x

 Oct 13, 2014

Best Answer 

 #1
avatar+130511 
+5

We've already "found" x........this is asking us to evaluate the function when x = - 5...so we have.....

(-5)^2 - 8(-5) =

25 + 40 = 65

 

 Oct 13, 2014
 #1
avatar+130511 
+5
Best Answer

We've already "found" x........this is asking us to evaluate the function when x = - 5...so we have.....

(-5)^2 - 8(-5) =

25 + 40 = 65

 

CPhill Oct 13, 2014

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