Question

subtract 7x² + 4x - 9x from 2x² + 7x​

Answer 1

Answer:

open help you

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Answer 2

Answer:

-5x² + 12x

Step-by-step explanation:

According to the question, we have to solve the following expression

  (2x² + 7x) - (7x² + 4x - 9x)

= 2x² + 7x - 7x² - 4x + 9x

= (2x² - 7x²) + (7x - 4x + 9x)

= -5x² + 12x

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