$\int\left(-4x^3+5x^2\right)\sin2xdx$
$\left(st^{-9}u^4\right)^1$
$9-12t+4t^2$
$-3\cdot60$
$-1-6-4+6-2-7-3-18$
$\left(\:x^4\:-\:2x^2\:\:-\:3\:\:\:\right)$
$15x^2=20$
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