using appropriate identity factorise 4 x square + 3 x minus 1
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Answered by
7
4x^2+3x-1=0
4x^2+(4-1)x-1=0
4x^2+4x-x-1=0
4x(x+1)-1(x+1)=0
(x+1)(4x-1)=0
x+1=0 or 4x-1=0
x=-1 or x=1/4
I hope it will help you!!!!
4x^2+(4-1)x-1=0
4x^2+4x-x-1=0
4x(x+1)-1(x+1)=0
(x+1)(4x-1)=0
x+1=0 or 4x-1=0
x=-1 or x=1/4
I hope it will help you!!!!
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Answered by
3
4X^2+3X-1=0
4X^2+4X-X-1=0
4X(X+1)-1(X+1)=0
(4X-1)(X+1)=0
X=1/4 and X=-1
4X^2+4X-X-1=0
4X(X+1)-1(X+1)=0
(4X-1)(X+1)=0
X=1/4 and X=-1
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