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What is the solution for x^2+ 4x > 77?

x<-7 or x > 11
x<-11 or x > 7
-7 -11

1 Answer

3 votes

Answer:

x<-11 or x>7

Explanation:

First, we get the right side to be 0.


x^2+4x-77 > 0

Then we factor the left side.


(x+11)(x-7) > 0

Using the Snake Method, we determine the intervals as x<-11 or x>7

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