$\left(\frac{2x}{5}+\frac{7}{5}\right)\left(\frac{2x}{5}+\frac{7}{5}\right)\left(\frac{2x}{5\:}+\frac{7}{5}\right)$

$1+6-11-84+28+240$

$\int\frac{6x^3+4x^2+42x+6}{x^4+12x^2+27}dw$

$-cos\left(u-v\right)cosv+sin\left(u-v\right)sinv$

$\left(\frac{7}{9}tan\left(x\right)+\frac{7}{9}sec\left(x\right)\right)\left(\frac{2}{3}tan\left(x\right)-\frac{2}{3}sec\left(x\right)\right)$

$5ab-5abc+15cba+25ba$

$\int\left(x^2\left(1-x\right)^{\frac{3}{2}}\right)dx$