It is a symbol about the multiplication of two numbers.

Negative is positive: when two negative numbers are multiplied, the negative sign and negative sign cancel each other, and the resulting number is positive, such as -3×(-2)=6.

Positive and negative: a positive number is multiplied by a negative number, and the negative sign will not be cancelled, and the number obtained is negative, for example, 3×(-2)=-6.

Positive is positive: when two positive numbers are multiplied, because there is no negative sign, the number obtained is positive, for example, 3×2=6.

Negative is positive: the law of negative, positive and negative.

Negative number is a mathematical term. Numbers less than 0 are called negative numbers, and negative numbers and positive numbers represent quantities with opposite meanings.

Negative numbers are marked with minus sign (minus sign) "-"and positive numbers, such as? 2 stands for the antonym of 2.

Therefore, any positive number preceded by a negative sign becomes a negative number.

A negative number is the reciprocal of its absolute value.