Question

Subtract the first expression from the second a - b, b – a

2. Find the sum of xy, x+y and y+ xy.

3. Simplify. -3ab - 2ac + 4ab

4. Simplify: 8x - 9y -3xy - 2y - x +4xy​

Answer 1

Answer:

column method:

4.simplify: 8x - 9y - 3xy

-x - 2y + 4xy

+ + -

_____________

9x + 7y - 7xy

______________

Answer 2

Step-by-step explanation:

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