From the sum of 4x2 – 3xy + 7x and 5x2 + 7xy
- 5x subtract 4xy – 7x2.
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Answer:
16x² + 2x
Step-by-step explanation:
: Sum of 4x² - 3xy + 7x and 5x² + 7xy - 5x
=> 9x² + 4xy + 2x
: Now, subtract 4xy - 7x² from 9x² + 4xy + 2x
=> 9x² + 4xy + 2x - ( 4xy - 7x² )
=> 9x² + 4xy + 2x - 4xy + 7x²
=> 16x² + 2x
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