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S
is this the next step
( sub 2 into n )
2x^2+5x+12=0
=-5 root 5^2 - 4(2)(12)/4
=-5 root 25 -96/4
there is no solution
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S
Find the value of n in the equation 2x^2 -5(n-1)x +12=0 If two roots are consecutive.
The answer in the book is n= -1 , 3
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