alario alario
  • 22-05-2017
  • Mathematics
contestada

alguien sabe hacer las formulas de atajo (9+3x)^2

Respuesta :

mjankiewicz
mjankiewicz mjankiewicz
  • 22-05-2017
Formula
[tex](a+b)^2=a^2+2ab+b^2[/tex]

a=9  , b = 3x

[tex](9+3x)^2=9^2+2*9*3x+(3x)^2=9x^2+54x+81[/tex]
Answer Link

Otras preguntas

According to the writer what is the best reason for why history is important
Please help me with this two
BSU Inc. wants to purchase a new machine for $35,500, excluding $1,400 of installation costs. The old machine was bought five years ago and had an expected econ
20 pointWrite the equation for the parabola that has x− intercepts (1+ [tex]\sqrt{5}[/tex] ,0) and (1− [tex]\sqrt{5}[/tex] ,0) and passes through the point
what is 2.73 rounded to the nearest tenths
I need to know the pounds required. I started some of the steps but I feel like I messed up somewhere​
Can somebody please help. FYI Math isn’t my strong suit....please help me!!!!!????
Why do yo think president macron of France is worried about moder day nationalism?
Venus Neptune Earth Uranus Saturn Mars Jupiter What would be the best way to help the reader interpret the information in the graphic organizer? numbering each
The statement of cash flows for Baldwin Company shows what happens in the Cash account during the year. It can be seen as a summary of the sources and uses of c