$$$\left(9 - x^{2}\right)^{2} - \left(x + 7\right)^{2}$$$ 的积分
您的输入
求$$$\int \left(\left(9 - x^{2}\right)^{2} - \left(x + 7\right)^{2}\right)\, dx$$$。
Please try a new game Rotatly
求$$$\int \left(\left(9 - x^{2}\right)^{2} - \left(x + 7\right)^{2}\right)\, dx$$$。