A3x3−2x2+7x+3B3x3+2x2+7x+3C3x3−2x2+x+3D3x3−2x2+7x−3 Step-by-Step Solution(x2+1)(3x−2)=3x3−2x2+3x−2. Adding (4x+5):3x3−2x2+7x+3.Answer: A) 3x3−2x2+7x+3