12 x square - 7 x + 1
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12x^2- 7x +1
= 12x^2 + 4x+ 3x +1
= 2x2x3×x- 2x2×x- 3 ×x+1
4x ( 3x+1) -1(3x+1)
=( 3x+1 ) ( 4x-1) ans...
= 12x^2 + 4x+ 3x +1
= 2x2x3×x- 2x2×x- 3 ×x+1
4x ( 3x+1) -1(3x+1)
=( 3x+1 ) ( 4x-1) ans...
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