$\int2x\left(ln\left(10x\right)\right)^2dx$

$4y+2\left(y+1\right)=y+5\left(y-3\right)$

$14x^2\left(a+b+c\right)-7x^4\left(a+b+c\right)$

$2\left(\frac{8\cdot0.5}{9\cdot0.6}+\frac{16\cdot0.25}{4}\right)$

$9c+11c^2$

$\int\sin^8\left(v\right)cos^3\left(v\right)dx$

$6d^2+2\sqrt{6d}+1$