Respuesta :

Step-by-step explanation:

9x² + 8x - 2x² - 3x

= (9x² - 2x²) + (8x - 3x)

= 7x² + 5x.

The difference between the polynomials is 7x² + 5x

How to determine the difference

From the equation

(9x2 + 8x) – (2x2 + 3x)

Expand the bracket first

9x² + 8x - 2x² - 3x

Collect like terms

9x² - 2x² + 8x - 3x

7x² + 5x

Thus, the difference between the polynomials is 7x² + 5x

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