$2-\left(9+\left(-2\right)\right)\cdot\left(-14-4\right)$

$\frac{seca\left(1+sina\right)}{4\left(sina+sin^2a\right)}=\frac{1}{2}csc2a$

$64-a^8$

$8\left(\frac{3}{4}\right)^3-17\left(\frac{3}{4}\right)^2+12\left(\frac{3}{4}\right)+14$

$2x-\frac{12}{2-x}=7+\frac{11x+11}{9}$

$2x^3+4x^2-8x-6$

$\log_bx=a$