Question

. Simplify 8m2 - 6m2+9m-4m ​

Answer 1

Answer:

$8m {}^{2} - 6m {}^{2} - 5m$

$= 2m {}^{2} - 5m$

= m ( 2m + 5)

The answer is :

m = 0 , 2m +5 =0 =) m = -5/2

m = 0 ,- 5/2

Answer 2

Answer:

2m²+5m

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