$\left(1+tan\left(b\right)\right)^2+\left(1-tan\left(b\right)\right)^2=2sec^2\left(b\right)$

$\int8e^{5x}dx$

$\left(mn\:+\:4\right)\:\left(mn\:-\:4\right)$

$587.456\:-\:67.592$

$\int sin\left(ln\left(8x\right)\right)dx$

$3x^{\left(4\right)}+2x^{\left(3\right)}+x^{\left(2\right)}-2x^{\left(4\right)}+2x-3x^{\left(2\right)}+2$

$\left(-4x^4y\right)\left(-3xy^4\right)$