Q. 1 G5.0( 1 Vote )

Check whether the following are quadratic equations:

(x + 1) (x − 1) = (x + 2) (x + 3)

Answer :

Given; (x + 1) (x − 1) = (x + 2) (x + 3)

x2 − 12 = x2 + 5x + 6


x2 − 1 − x2 − 5x − 6 = 0


−5x − 7 = 0


The highest power of x in the equation is 1;


It is not a quadratic equation.


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