$-\frac{3}{2}y+\frac{1}{4}y^{2}$
$12x^2-3x+8$
$tan\frac{a}{2}+cos\:a\cdot tan\frac{a}{2}=sin\:a$
$\int\sqrt{-5-9s}ds$
$x^2+2x+5,\:\:x=1$
$-3\left(-8\right)-10$
$\left(a-10\right)^2$
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