Question

Hello all! ✋

It's me..XD Back with a query..

Please tell me all the formulas

-×- (minus into minus)
+×+ (plus into plus)
-×+ (minus into plus)
+×- (plus into minus )

Answer 1

$- \times - = + \\ \\ + \times + = + \\ \\ - \times + = - \\ \\ + \times - = -$

Answer 2

$\huge\mathsf{Answer \ :-}$

$\huge\mathsf{(-) × (-) \ = \ +}$

$\huge\mathsf{(+) × (+) \ = \ +}$

$\huge\mathsf{(-) × (+) \ = \ -}$

$\huge\mathsf{(+) × (-) \ = \ -}$

$\huge\mathbb{Hope \ this \ helps.}$