Solution 2.3:3a
From Förberedande kurs i matematik 1
(Difference between revisions)
m |
m |
||
| Line 1: | Line 1: | ||
| - | The left-hand side of the equation consists of two factors, | + | The left-hand side of the equation consists of two factors, ''x'' and ''x'' + 3. The only possibilities that their product is zero are if either ''x'' or ''x'' + 3 is zero. Hence, the equation has the solutions ''x'' = 0 and ''x'' = -3. |
| - | + | ||
| - | and | + | |
| - | + | ||
| - | + | ||
| - | or | + | |
| - | + | ||
| - | is zero. Hence , the equation has the solutions | + | |
| - | + | ||
| - | and | + | |
| - | + | ||
Current revision
The left-hand side of the equation consists of two factors, x and x + 3. The only possibilities that their product is zero are if either x or x + 3 is zero. Hence, the equation has the solutions x = 0 and x = -3.
