If (x2 – 7x +18) = 6, which of the following must be false?

A    X = 4

B    x = -4

C    x> = 3

D    x> 0

Solution

Correct Answer: Option B

 

(x2 – 7x +18) = 6

x2 – 7x+12=0

x= 3  or 4

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