Question

solve quadratic equatoins by factorisation 2xsquare-2x+1upon2=0

Answer 1

2x^2-2x+(1/2)
=2x^2-x-x+(1/2)
=2x(x-1/2)-1(x-1/2)
=(2x-1)(x-1/2)

If (2x-1)(x-1/2)=0,

Then,
2x-1=0 =>2x=1 =>x=1/2
Or
x-1/2=0 =>x=1/2

.•. x=1/2

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