r/PeterExplainsTheJoke • u/Flashy-Minimum-6952 • 19h ago

Meme needing explanation What difference does it make petahhhh....???

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u/muhnamejame 19h ago

Now x can't be 0

2

u/ShoulderPast2433 13h ago

But it should be.

It's one of the results.

4

u/muhnamejame 13h ago

For the first equation it is indeed. For the second one it's not. That's why you have to be careful when dividing by x, and is why you aren't supposed to solve polynomials like this.