x²-4x-1 middle term splitting
Answers
Answered by
1
Answer:
formula:- (-b+√(b^2-4ac))/2a
(-b-√(b^2-4ac))/2a
Step-by-step explanation:
apply this formula you will get the answer as direct splitting is not possible.
Answered by
0
Answer:
2+ and 2-
Step-by-step explanation:
Let x^2-4x-1=0
Now adding 5 both side
x^2-4x-1+5=5
x^2-4x+4=5
x^2-2x-2x+4=5
x(x-2)-2(x-2)=5
(x-2)(x-2)=5
(x-2)^2=5
x-2=+ or -
x=2+ or -
so x can be 2+ or 2-
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