Express the zeroes of the quadratic polynomial -x×x+4x-4 graphically
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Hello!
-x^2+4x-4.....find zeros.
-x^2+4x-4 = x^2-4x+4
(Multiplying the whole eq by -)
=x^2-2x-2x+4
=x(x-2) -2(x-2)
=(x-2) (x-2)
x-2=0 , x-2=0
Therefore, x=2,2
Hope it helped!
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