Question

8. From the sum of 4 + 3x and 5 - 4x + 2x2, subtract the sum of 3x2 -72 2x + 5. 9. What should be added to x2 - y2 + 2xy to obtain x2 + y2 + 5xy? 7mn + 2m2 + 3n2 to get m2 + 2mn ​

Answer 1

Answer:

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Answer 2

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