What should be added to 4x2 - 5xy + 7 to
- 3x² + 4xy – 5?
Answers
Answered by
16
Answer:
-7x^2+9xy-12
Step-by-step explanation:
4x^2-5xy+7+A=-3x^2+4xy-5
A=-3x^2+4xy-5-4x^2+5xy-7
A=-7x^2+9xy-12
Answered by
0
Answer:
Step-by-step explanation:
nothing
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