$16\frac{5}{2}$
$\int\tan\left(x\right)^4\sec\left(x\right)dx$
$10v^2+80v-90$
$x^2-2x+\frac{1}{x}-1$
$\int\left(y+1\right)^4dy$
$x^4-6x^3-7x^2+60x=0$
$5\cdot27+3\cdot27$
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