camihankel camihankel
  • 14-12-2020
  • Mathematics
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Please answer!!!!
Express (x + 9)2 as a trinomial in standard form.

Respuesta :

s1m1
s1m1 s1m1
  • 14-12-2020

Answer:

x² +18x +81

Step-by-step explanation:

(a+b)²=a²+b²+2ab

(x+9)² = x²+9²+2*x*9= x² +18x +81

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