Question

add the following 5by - 7x² - 3y² + 4x²y , 5x²y - xy + x² + y²​

Answer 1

Answer:

We have

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

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

Answer 2

Answer:

5by+6x²-2y²9x²y-xy

Step-by-step explanation:

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