find the zero of the polynomial p (x )= 20 x square - 9 X + 1
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20x^2-9x+1
=20x^2-4x-5x+1
=4x(5x-1)-1(5x-1)
=(5x-1)(4x-1)
so, x= 1/5 or x=1/4
=20x^2-4x-5x+1
=4x(5x-1)-1(5x-1)
=(5x-1)(4x-1)
so, x= 1/5 or x=1/4
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