 |
| ||
| |||
|
| Math Central | Quandaries & Queries |
|
Question from sylvia, a student: z(z+1)-x(x+1) / z-x HOW DO I SIMPLIFY THIS |
Sylvia,
The crucial fact here is the difference of squares
z2 - x2 = (z - x)(z + x)
Does this help?
If you need more assistance write back,
Penny
| ||
| ||
| ||
 |
 |
|
Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences.