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Question 1(i)
Check whether the following are quadratic equations:
(i)(x+1)2=2(x3)


Solution

(i)(x+1)2=2(x3)x2+2x+1=2x6x2+7=0
It is of the form ax2+bx+c=0 where a=1,b=0,c=7 in this case.
Hence, the given equation is a quadratic equation.

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