$-0.695\cdot4^2+2.78\cdot4-17.03$
$\frac{dy}{dx}=\frac{\left(2x+5\right)}{\left(y-1\right)}$
$\frac{1}{2}x^2+\frac{2}{3}x-\frac{3}{4}x^2-\frac{1}{3}$
$\int\left(\frac{3x}{x^2+8x+25}\right)dx$
$\int5x^2\sec^2\left(2x^3-6\right)dx$
$2x+2a;x=6\:y\:a=4$
$18.25-7h>4.25$
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