Question

(2 m3+ m² m+9) + (x-4)​

Answer 1

Answer:

2m³+m²+m+x+5

Step-by-step explanation:

$( {2m}^{3} + {m}^{2} + 9) + (x - 4) \\ = 2 {m}^{3} + {m}^{2} + m + x \: + \: 9 - 4 \\ = {2m}^{3} + {m}^{2} + m + x + 5$