$\left(8x^2+4x+4\right)$

$3ab^2+4a^2b+4a^2b-9ab^2-3a^2b$

$\int x^6\left(-x^7+11\right)^3dx$

$\int\frac{1}{x\cdot\sqrt{x^2+16}}dx$

$6x^2-5x-6=0$

$3x^2y^4+2xy+x^3;\:x=2;\:y=3$

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