4. What should be added to 4x2 - 5xy + 7 to get- 3x2 + 4xy – 5?if yo

1.	4. What should be added to 4x2 - 5xy + 7 to get- 3x2 + 4xy – 5?if you dont know the answer then please dont give answer.let me tell that give answer step by step
Answer» Answer: $hello$ The required expression can be GOT by subtracting XY – 3yz + 4ZX from 4XY – 3zx + 4yz + 7. Therefore, required expression = (4xy – 3zx + 4yz + 7) – (xy – 3yz + 4zx) = 4xy – 3zx + 4yz + 7 – xy + 3yz – 4zx = 4xy – xy – 3zx – 4zx + 4yz + 3yz + 7 = 3xy – 7zx + 7yz + 7

4. What should be added to 4x2 - 5xy + 7 to get- 3x2 + 4xy – 5?if you dont know the answer then please dont give answer.let me tell that give answer step by step

Answer»

Answer:

$hello$

The required expression can be GOT by subtracting XY – 3yz + 4ZX from 4XY – 3zx + 4yz + 7.

Therefore, required expression = (4xy – 3zx + 4yz + 7) – (xy – 3yz + 4zx)

= 4xy – 3zx + 4yz + 7 – xy + 3yz – 4zx

= 4xy – xy – 3zx – 4zx + 4yz + 3yz + 7

= 3xy – 7zx + 7yz + 7

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4. What should be added to 4x2 - 5xy + 7 to get- 3x2 + 4xy – 5?if you dont know the answer then please dont give answer.let me tell that give answer step by step ​

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4. What should be added to 4x2 - 5xy + 7 to get- 3x2 + 4xy – 5?if you dont know the answer then please dont give answer.let me tell that give answer step by step