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Check whether the following are quadrat...

Check whether the following are quadratic equation (i) `(x+1)^2=2(x-3)`(ii) `x^2-2x=(-2)(3-x)`(iii) `(x-2)(x+1)=(x-1)(x+3)`(iv) `(x-3)(2x+1)=x(x+5)`(v) `(2x 1)(x 3)=(x+5)(x 1)`(vi) `x^2+3x+1=(x-2)^2`(vii) `(x+2)^3=2x(x^2-1)` (viii) `x^3-

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The correct Answer is:
`x^(2) - 2x = (-2) (3 - x)`
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