what should be added to 15x+13xy+5y² to.obtain -7x +12xy- 6 y2
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for the answer please refer to the above pic
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Answered by
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Answer:
-22x - xy + 11y2
Step-by-step explanation:
To get the answer we need to subtract 15x + 13xy + 5y2 from -7x + 12xy - 6y2.
=> - 7x + 12xy - 6y2 - (15x + 13xy + 5y2)
=> - 7x + 12xy - 6y2 - 15x - 13xy - 5y2
=> -22x - xy + 11y2
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