q 15 answer chahiye plss give fast !
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1
Answer:
-10x2 + 7xy -2y2
Step-by-step explanation:
4x2 -5xy +y2
14x2 -2xy -3y2
-10x2 +7xy -2y2
Answered by
6
Answer:
Q -> 4x^2 - 5xy + y^2 from 14x^2 - 2xy - 3y^2
Sol-> (14x^2 - 2xy - 3y^2) - (4x^2 - 5xy + y^2)
=>14x^2 - 2xy - 3y^2 - 4x^2 + 5xy - y^2
=> 14x^2 - 4x^2 - 2xy + 5xy - 3y^2 - y^2
=> (14 - 4)x^2 - (2+5)xy - (3-1)y^2
=> 10x^2- 7xy- 2y^2
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