$\left(x-4\right)\left(x^2+4x+64\right)$

$3-\left(5n-7m\right)\cdot4x+y$

$\int_0^2\left(x^2\ln\left(x\right)\right)dx$

$10-9x^2+4x=-6x^2$

$\left(10x+2\right)^3$

$\int\frac{\left(3cos\left(x\right)\right)}{\left(sen\left(x\right)+1\right)\left(4-sen\left(x\right)\right)}dx$

$-3m+4n-5n+8m-2n+3m-6n$