$\frac{dy}{dx}=-2x^3-x^2+4x-7$

$3\left(2\right)^2-\left(2\right)\left(3\right)+3\left(5\right)$

$\log\left(x+2\right)-\log\left(2\right)=\log\left(x\right)$

$1910-580$

$y'=2y+x\left(e^{\left(3x\right)}+e^{\left(2x\right)}\right)$

$\frac{12x+15}{3}$

$\frac{1}{i\left(i-1\right)}$