22-05-2017
Mathematics

contestada

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

Respuesta :

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

A square pond is to be built in a park. The pond is 50 meters long and 50 meters wide. There should be a tile sidewalk 5 meters wide all around the pond. The ti

What were the major medical advances developed by the Inca?

how does wiesel create pathos in his nobel prize acceptance speech

Compare and contrast the structure and function of a compound light microscope and a scanning electron microscope. Be sure to discuss the structure and function

After graduation, Haley's friend Zazu went to Paris, Jeremy went to Peru, and Ashley went to Turkey. Haley was only able to go to Wild Waves water park. This ma

If it takes Ashley 3 seconds to run from the batters box to first base at an average speed of 6.5 m/sec, what is the distance that she covers in that time?

What is 23/35 simplified?

The amount of money that is left in a medical savings account is expressed by the equation y = -24x+ 379, where x represents the number of weeks and y represent

The function f(x)=5x+4f(x)=5x+4 models the height of a tree, where x represents the years since the tree was planted for year 3 through year 10. What is the pr

The most common profile of the american family in the 21st century is