$\int\:\frac{1}{\sqrt{\left(x+2\right)^2+25}}dx$
$3x^2\:y^'=2x^2+y^2$
$30\:-\:\left(-2\right)\:x\:10\:+\:\left(-5\right)\:x\:\left(-2\right)$
$7x-4<-\frac{8}{7}x+8$
$\frac{1}{4}^{-1}$
$\frac{-18}{-3}-\left(-6\right)$
$-\infty-10$
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