$\int\frac{3x^2}{7-x}dx$

$49x^2-54x+25$

$g'\left(x\right)=ln\left(x^x\right)$

$\frac{\cos\left(1\right)}{\sec\left(1\right)}+\frac{\sin\left(1\right)}{\csc\left(1\right)}$

$\left(\frac{2}{3}ax^2-\frac{5}{3}a^3x\right)\left(3x^2-9ax\right)$

$\int\left(tan^2\left(6x\right)+1\right)^{\frac{3}{2}}dx$

$\left(x-y\right)^2+4\left(x-y\right)z+4z^2$