Your contribution cannot be approved because it does not follow the Utopian Rules, and is considered as spam.

Explanation:

• far too short
• contains a video, yet doesn't qualify for a video tutorial either because your video doesn't contain any voice narration (it's silent)
• you copied/pasted 3 extremely simple linear equations from another source

PS: You could have at least tried to solve a Laplace transformation? Like for example this one:

sage: de1 = maxima("2*diff(x(t),t, 2) + 6*x(t) - 2*y(t)")
sage: lde1 = de1.laplace("t","s"); lde1
2*((-%at('diff(x(t),t,1),t=0))+s^2*'laplace(x(t),t,s)-x(0)*s)-2*'laplace(y(t),t,s)+6*'laplace(x(t),t,s)

Bonus bounty: if you will explain, in a reply to this comment, what my Laplace transformation is about, then I will give you a personal comment upvote! From @scipio! Good luck!

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[utopian-moderator]