Math, asked by satya8569, 11 months ago

who prove(-1)×(-1)=1

Answers

Answered by 129045

1

Answer:

because (-)(-)=+

Step-by-step explanation:

so -1+-1=1

Answered by brainiest07

0

Answer:

how m I suppose to know who proved It

bt i can

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-1×-1 =+1

cuz. (-)(-)=+

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