3(4x−7)+15−13x3\left(4x-7\right)+15-13x3(4x−7)+15−13x
dydx+y=3+e−x y(0)=1\frac{dy}{dx}+y=3+e^{-x}\:\:\:\:\:\:\:\:\:\:\:\:y\left(0\right)=1dxdy+y=3+e−xy(0)=1
x4−6x3+11x2−6xx−3\frac{x^4-6x^3+11x^2-6x}{x-3}x−3x4−6x3+11x2−6x
f(z)=(z2+cos (z))(2z−sin (z))f\left(z\right)=\left(z^2+\cos\:\left(z\right)\right)\left(2z-\sin\:\left(z\right)\right)f(z)=(z2+cos(z))(2z−sin(z))
110\frac{11}{0}011
1−sinθ cosθ =cosθ 1+sinθ \frac{1-sin\theta\:}{cos\theta\:}=\frac{cos\theta\:}{1+sin\theta\:}cosθ1−sinθ=1+sinθcosθ
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