Solution 2.3:3b
From Förberedande kurs i matematik 1
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			m  (Lösning 2.3:3b moved to Solution 2.3:3b: Robot: moved page)  | 
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| - | {  | + | The equation's left-hand side is zero only when one of the factors   | 
| - | <  | + | <math>x-\text{3 }</math>  | 
| - | {  | + | or   | 
| + | <math>x+\text{5}</math>  | ||
| + | is zero, i.e. the solution to the equations is   | ||
| + | <math>x=\text{3 }</math>  | ||
| + | and  | ||
| + | <math>x=-\text{5}</math>.  | ||
Revision as of 14:51, 20 September 2008
The equation's left-hand side is zero only when one of the factors \displaystyle x-\text{3 } or \displaystyle x+\text{5} is zero, i.e. the solution to the equations is \displaystyle x=\text{3 } and \displaystyle x=-\text{5}.
