xdydx−y+x=0x\frac{dy}{dx}-y+x=0xdxdy−y+x=0
1+cos10y=2cos25y1+\cos10y=2\cos^{2}5y1+cos10y=2cos25y
0=31−x0=\frac{3}{1-x}0=1−x3
1−20⋅(−2)1-20\cdot\left(-2\right)1−20⋅(−2)
7⋅12−17\cdot1^2-17⋅12−1
29⋅22^9\cdot229⋅2
2x−3y−2z4\frac{2x^{-3}y^{-2}}{z^4}z42x−3y−2
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