FACTORISE 3x² -xy -14y²
Answers
Answered by
2
use the identity (x-y)^2
Answered by
6
Answer:
(3x-7y)(x+2y)
Step-by-step explanation:
1. 3x² - xy - 14y² can be rewritten as 3x² -7xy+6xy - 14y²
2. 3x² + 6xy - 7xy - 14y²
3. 3x(x+2y)-7y(x+2y)
4. (3x-7y)(x+2y)...is the answer.
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