Multiplication of two unlike terms with opposite signs, Mathematics

The product on multiplying - 4bc with 2a is - 8abc. That is, a term with minus sign multiplied with a term having a positive term gives a product which has a minus sign.

On the whole we have to remember these rules while multiplying quantities, which are the same as above, but repeated here due to its importance,

+ x + = +
- x - = +
- x + = -
+ x - = -

(Note: The multiplication of binomials is shown)                 

Posted Date: 9/13/2012 2:44:22 AM | Location : United States







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