3 x minus 1 the whole square - 3 x minus 2 into 3 X + 1
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(3x-1)2-(3x-2)(3x+1)
=9x^2+1+6x-9x^2-3x+6x+2
=1-3x+2+12x
=3-9x
=3(1-3x)
=9x^2+1+6x-9x^2-3x+6x+2
=1-3x+2+12x
=3-9x
=3(1-3x)
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1
Answer:
the answer of this question is (3x - 3) .
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