2x(x+1)=2(x-1) give answer
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Given
2x × ( x + 1 ) = 2 × ( x - 1 )
We can remove 2 from both sides
and opening brackets
x^{2} + x = x - 1
x^{2} = - 1
If you know about complex numbers , then
x = square root (-1) = i
2x × ( x + 1 ) = 2 × ( x - 1 )
We can remove 2 from both sides
and opening brackets
x^{2} + x = x - 1
x^{2} = - 1
If you know about complex numbers , then
x = square root (-1) = i
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