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Ch mensuration of class 8 add the following 8x²+ 7xy - 6y² +17, -3xy+4x² +2y² -5 and 2xy +14-Y²-4x ² Answer me please ​

Ch mensuration of class 8 add the following 8x²+ 7xy - 6y² +17, -3xy+4x² +2y² -5 and 2xy +14-Y²-4x ² Answer me please ​
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13 votes
Ch mensuration of class 8

add the following

8x²+ 7xy - 6y² +17, -3xy+4x² +2y² -5 and 2xy +14-Y²-4x ²


Answer me please ​

asked
User Gberes
by
8.7k points

1 Answer

8 votes

Answer:

8x^2 + 6xy - 5y^2 + 26

Explanation:

See attached image.

Ch mensuration of class 8 add the following 8x²+ 7xy - 6y² +17, -3xy+4x² +2y² -5 and-example-1
answered
User Tom Carr
by
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