Mathematics 10 — Exercise Review · Q1 (v)
Full question
Simplify [(x²−y²)/(x+y)](x−y).
| Option | Value |
|---|---|
| a | (x+y)² |
| b | x²+y² |
| c | x−y |
| d | (x−y)² |
Step-by-step solution
Factor x²−y²=(x−y)(x+y), cancel x+y≠0, then multiply two copies of x−y.
Answer
(d) (x−y)²
Simplify [(x²−y²)/(x+y)](x−y).
| Option | Value |
|---|---|
| a | (x+y)² |
| b | x²+y² |
| c | x−y |
| d | (x−y)² |
Factor x²−y²=(x−y)(x+y), cancel x+y≠0, then multiply two copies of x−y.
(d) (x−y)²