$\left(8x+50\right)\left(8x-10\right)$

$\frac{dw}{dx}=\left(x^3+y^3\right)$

$2\cos^2\left(x\right)-1=1-2sin$

$\left(6+4x^3\right)dx+\left(5+\frac{9}{y^8}\right)dy=0$

$\left(-1\right)^0+\left(-1\right)^4-10^0$

$\int-\left(4x^3-2\right)\left(\cos\left(6x^4-12x\right)\right)dx$

$-15a+-20a$