Q. 1 B4.4( 10 Votes )

Check whether the following are quadratic equation:

x2 - 2x = ( - 2)(3 - x)

Answer :

x2 - 2x = ( - 2)(3 - x)

LHS = x2 – 2x


RHS = ( - 2)(3 - x) = - 6 + 2x


x2 - 2x = - 6 + 2x


Or x2 - 2x + 6 – 2x = 0


x2 + 6 which is of the form ax2 + bx + c = 0


it is a quadratic equation.


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