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Pls answer befast as i have to go |
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Answer» Step-by-step explanation: 1) 4x² -7 y² -1X + 4y this is the ANSWER.
firstly you have to subtract or ADD no with same variable.. and that's how you will get your and .. so now TRY to solve other 2 questions by your own ........thank you mark me as brainliest thank you have a good day |
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