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B
3x2−xy−2x−2y2+8y−8
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C
3x2−xy+2x−2y2−8y−8
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D
3x2−xy+2x−2y2+8y+8
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Solution
The correct option is B3x2−xy+2x−2y2+8y−8 (3x+2y−4)×(x−y+2) =(3x+2y−4)×(x)−(3x+2y−4)×(y)+(3x+2y−4)×(2) =3x2+2xy−4x−3xy−2y2+4y+6x+4y−8 =3x2−xy+2x−2y2+8y−8