Question

a.) 2x² - 9x² + 3x²
b.) m² + 2m - 9/4m² - 8m

Answer 1

Answer:

a) $-4x^2$

b)$-2.25m^2-6m$

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Step-by-step explanation:

Answer 2

Step-by-step explanation:

a)2x²+3x²- 9x²

5x²- 9x²

- 4x²