CalculusMedium ShareCalculus · Medium problemFind ∫(3x−1)2 dx\displaystyle\int \big(3x-1\big)^2\,dx∫(3x−1)2dx (expand, or use u=3x−1u=3x-1u=3x−1).A3x3+3x2+x+C3x^3+3x^2+x+C3x3+3x2+x+CB3x3−3x2+x+C3x^3-3x^2+x+C3x3−3x2+x+CC3x4−3x2+x+C3x^{4}-3x^2+x+C3x4−3x2+x+CD3x3−3x3+x+C3x^3-3x^3+x+C3x3−3x3+x+CCheck Show answer Walk through it step by step Practice more like this