This just reminded me of a youtube short visual example of (-1)(-1)=1
also lmao i just finished my math assignment and i go on the forums to see a fucking math post
If it were any more complicated, I’d vomit and cry trying to solve it, but it’s just negative numbers and multiplication by 1.
what math do u study
i’m a first year honours math major
questions like this just happened to also be on my assignment lol
feel bad for u lol proofing is the worst thing ever i feel like. like u gotta write 80 more lines even when the answer is already in front of u 
lol it’s only gonna get worse from here 
i’m so fucked
at least you didnt pick a cs major
i’m actually considering transfering to cs
at least i’m not in engineering or architecture 
at this point i think all majors will end up being plumbers
nah bro all majors are gonna end up as mcdonalds cashiers with how bad the job market is
yeah but the thing is that you’re trying to prove that that is true, meaning that you can’t use that in your proof
Go to a trade school for literally anything besides cosmetology
why would this logic be any different from something like -2 x -2 = 4
when you multiply two negatives you create a positive.
The only instance something multiplied by itself creates a negative value is when you square the imaginary number i
I have no idea how to really do proofs btw I fucking hate math
the problem is asking you to mathematically prove it rather than simply restating the conclusion
it might seem intuitive but it’s surprisingly difficult to put down the equations to rigoriously prove it
and this is why I hate math
First, let us start by simplifying (-1) to (-2)+(1) since as you said -1 is the additive inverse of 1, as such I did not use multiplicative property but additive property.
Therefore, the equation (-1)(-1) = 1 will become[(-2+1)(-2+1)] = 1
Using the foil method, it will become 4 – 4 + 1 = 1. Again, considering that your logic is additive inverse.
Solving 4 - 4 + 1 = 1 will result to 1 = 1, therefore (-1)(-1)=1