$\frac{1}{8}a^6+\frac{6}{8}a^3b+9b^2$

$\left(y+9\right)\left(y-8\right)$

$\left(x+2y\right)^2-\left(x-1\right)^2$

$\sin\left(180-y\right)+\cos\left(y\right)=1$

$\int\frac{\sin\left(\ln\left(w\right)+1\right)}{w}dw$

$x^2+3x-4\cdot x^2+4x-5$

$\left(-8\right)\left(-3\right)\left(+12\right)\left(+2\right)$