$-x^4+0x^3-15x^2+36x+36$
$2arcsen\frac{x}{2}-\frac{1}{2}sen4x$
$\int\left(\frac{y^2-2y}{4+y^2}\right)dy$
$\sqrt{2}x^4-2\sqrt{2x^4}$
$x^2+9x+15$
$v\left(t\right)\frac{4}{t^2+4t+3}$
$\left(6^2\right)^3.\left(6^3\right)^2.\left(6^4\right)^5$
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