combine the like terms and simplify
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- 9a-b
- 3p²-7p-6
- 6ab+3bc
- 7p²-2q²+2pq
- 4xy-3y²
- x+2y
- 4p-6q
- 2x²-2x-4
Step-by-step explanation:
subtraction and subtraction is addition
addition and addition is addition
subtraction and addition is subtraction
addition and subtraction is subtraction
[u can see that the like ones are addition and the unlike ones are subtraction ]
[but the signs should always be from the larger number ]
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