(a+2)(a-4)
0=2xy - 5 - 2y^4e^{-2xy} + \frac{dy}{dx} \left( 3y^2e^{-2xy} - 2y^3xe^{-2xy} + x^2 \right)
53501843/11
dy/dx=5y+x
∣3x−7∣≥10
x²(x+7)-4x²
ram spent 15 percent of his salary on food 20 percentb on rent and 50 percent of his remaining salary on other expenses and saved ...
30:((-12+19)-(3.3 -12:3)+2)
5.3687x = 3.1834
