Rules for multiplying negative numbers were first described by the Indian mathematician Brahmagupta about 1400 years ago.

Next up is multiplication with two negative factors. Watch this video to find out how this works!

Practice multiplying two negative factors on the next page.

You can multiply negative numbers easily. Learn what happens when you multiply by a negative number, and how you can multiply 3 or more negative numbers.

Multiplying Negative Numbers

A line with numbers going on forever in both directions from 0.

The result of multiplying numbers together.

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