Question

please answer all of these questions .... I need this urgent​

Answer 1

PM is the Height/Altitude of triangle.

PD is the bisector of triangle.

next,

12m² - 9m + 5m - 4m² - 7m + 10

12m² - 4m² - 9m + 5m - 7m + 10

8m² - 11m +10

Answer 2

Answer:

e. ans = 8m² - 11m + 10

Step-by-step explanation:

12m² - 9m + 5m -4m² - 7m + 10

      =  12m² - 4m² + 5m - 9m - 7m + 10

      =  8m² - 11m + 10

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