momo0528
contestada

What is the coefficient of the second term of the trinomial?

(3x+3)2=9x2+Bx+9

Enter your answer in the box.

B = ?

Respuesta :

wegnerkolmp2741o

(3x+3)^2

(3x+3) * (3x+3)

FOIL

3x*3x +3x*3 +3x*3 +3*3

9x^2 +9x+9x+9

9x^2 +18x+9

B=18

Spiffyisabelle

This is the correct answer, I even provided proof from my own test. Hope this helps!

Ver imagen Spiffyisabelle

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