What is -2 x 21?

-2 x 21 = -42

• The result of multiplying a negative number by a positive number is always a <a href="https://www.wikiwhat.page/kavramlar/negative%20number">negative number</a>.
• Multiplication is a basic <a href="https://www.wikiwhat.page/kavramlar/arithmetic%20operation">arithmetic operation</a>.
• The numbers -2 and 21 are <a href="https://www.wikiwhat.page/kavramlar/integers">integers</a>.