Question

Collect like terms and simply the expression: 15m2–7m+4m –7m2–9m+8.​

Answer 1

Answer:

15m² - 7m + 4m - 7m² - 9m + 8

= 15m² - 7m² - 7m + 4m - 9m + 8

= 8m² - 12m + 8

= 2m² - 3m + 2

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Answer 2

Answer:

15m²-7m+4m-7m²-9m+8

(15m²-7m²)+(4m-7m-9m)+8

8m²-12m+8