Question

solve. 4x square-3x-1=0

Answer 1

4x²-3x-1=0
by factorisation method
4x²-4+x-1=0
4x(x-1)+1(x-1)=0
(4x+1)(x-1)
4x-1=0,x-1=0
4x=1,x=1
x=1/4,1

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Answer 2

Answer:

4x²-3x-1=0

4x²-(4-1)x-1=0

4x²-4x+1x-1=0

4x(x-1)+1(x-1)=0

(x-1) (4x+1)=0

Either, or,

x-1=0 4x+1=0

x=1 4x=-1

x=-1/4

So, x=1,-1/4