It is a positive reciprocal.
x-a = 1/xa or equivalently, (1/x)a
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A positive number. Positive Number x Positive Number = Positive Number Positive Number x Negative Number = Negative Number Negative Number x Negative Number = Positive Number
When you divide a negative number by a positive number or a positive number by a negative number, the division is done the same way as when both numbers are positive, and the quotient is negative. When dividing a negative number by a negative number, divide as usual, and the quotient is positive. + ÷ + = + + ÷ - = - - ÷ + = - - ÷ - = + + x + = + + x - = - - x + = - - x - = +
a negative number plus a negative number is negative. here is a proof.(-x)+(-x)(-1)x+(-1)x-1(x+x)-1(2x)-2xa negative number times a negative number is positive though.
negativenegative x negative = positive
(The product of 33 negative numbers) x (2 positive numbers) = (negative sign) x (positive sign) = negative sign