Question

2x² – 3xy + y?
- 7x² – 5xy – 2y²
4x2 + xy - 6y?​

Answer 1

Answer:

Step-by-step explanation:

(i) 3x + 7x = (3 + 7)x = 10x

(ii) -5xy + 9xy = ( -5 + 9)xy = 4xy

Answer 2

Answer:

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