factorise the following expression 4x square - 8x + 3
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4 x square - 2 x minus 6 X + 3
2x(2x-1) -3(2x-1)
2x-1 Or 2x-3
2x-1=0 or 2x-3=0
2x=1 or 2x=3
x=1/2 or x=3/2
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