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Question

Question 1(iii)
Check whether the following are quadratic equations:

\((iii) (x -2)(x + 1) = (x - 1)(x + 3)

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Solution

(iii)(x2)(x+1)=(x1)(x+3)x2x2=x2+2x33x1=0
It is not of the form ax2+bx+c=0 as a = 0 in this case.
Hence, the given equation is not a quadratic equation.

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