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Question

Solve the equation : x22x+32=0

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Solution

This given equation can also be written as 2x24x+3=0
On comparing this equation with ax2+bx+c=0,
we obtain a=2,b=4, and c=3
Therefore, the discriminant of the given equation is,
D=b24ac=(4)24×2×3=1624=8
Therefore, the required solutions are
b±D2a=(4)±82×2=4±22i4
=2±2i2=1±12i

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