Question

1. x2 - (2y2 - 3x_) + (x2 - y2) - (2x² + 5y?)​

Answer 1

Answer:

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

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

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Answer 2

Answer:

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